diff --git a/include/mynteye/api/api.h b/include/mynteye/api/api.h
index 09cf15b..77f6bcf 100644
--- a/include/mynteye/api/api.h
+++ b/include/mynteye/api/api.h
@@ -28,6 +28,8 @@
 
 MYNTEYE_BEGIN_NAMESPACE
 
+struct DeviceInfo;
+
 class Device;
 class Synthetic;
 
@@ -93,25 +95,6 @@ class MYNTEYE_API API {
   explicit API(std::shared_ptr<Device> device);
   virtual ~API();
 
-  /**
-   * Create the API instance.
-   * @return the API instance.
-   * @note This will call device::select() to select a device.
-   */
-  static std::shared_ptr<API> Create(Resolution res);
-  /**
-   * Create the API instance.
-   * @param device the selected device.
-   * @return the API instance.
-   */
-  static std::shared_ptr<API> Create(
-      std::shared_ptr<Device> device, Resolution res);
-  /**
-   * Create the API instance.
-   * @param device the selected device.
-   * @return the API instance.
-   */
-  static std::shared_ptr<API> Create(std::shared_ptr<Device> device);
   /**
    * Create the API instance.
    * @param argc the arg count.
@@ -130,7 +113,7 @@ class MYNTEYE_API API {
    * @note This will init glog with args.
    */
   static std::shared_ptr<API> Create(
-      int argc, char *argv[], std::shared_ptr<Device> device);
+      int argc, char *argv[], const std::shared_ptr<Device> &device);
 
   /**
    * Get the model.
@@ -155,9 +138,10 @@ class MYNTEYE_API API {
   bool Supports(const AddOns &addon) const;
 
   /**
-   * set the stream request.
+   * Log all stream requests and prompt user to select one.
    */
-  void SetStreamRequest(const Format &format, const FrameRate &rate);
+  StreamRequest SelectStreamRequest(bool *ok) const;
+
   /**
    * Get all stream requests of the capability.
    */
@@ -168,7 +152,28 @@ class MYNTEYE_API API {
    */
   void ConfigStreamRequest(
       const Capabilities &capability, const StreamRequest &request);
+  /**
+   * Get the config stream requests of the capability.
+   */
+  const StreamRequest &GetStreamRequest(const Capabilities &capability) const;
 
+  /**
+   * Get all stream requests of the key stream capability.
+   */
+  const std::vector<StreamRequest> &GetStreamRequests() const;
+  /**
+   * Config the stream request to the key stream capability.
+   */
+  void ConfigStreamRequest(const StreamRequest &request);
+  /**
+   * Get the config stream requests of the key stream capability.
+   */
+  const StreamRequest &GetStreamRequest() const;
+
+  /**
+   * Get the device info.
+   */
+  std::shared_ptr<DeviceInfo> GetInfo() const;
   /**
    * Get the device info.
    */
@@ -214,11 +219,6 @@ class MYNTEYE_API API {
    */
   bool RunOptionAction(const Option &option) const;
 
-  /**
-   * Init device resolution.
-   */
-  void InitResolution(const Resolution &res);
-
   /**
    * Set the callback of stream.
    */
diff --git a/include/mynteye/device/callbacks.h b/include/mynteye/device/callbacks.h
index 0019433..19730f6 100644
--- a/include/mynteye/device/callbacks.h
+++ b/include/mynteye/device/callbacks.h
@@ -32,8 +32,8 @@ namespace device {
 
 typedef struct ImgParams {
   bool ok;
-  std::map<Resolution, Intrinsics> in_left_map;
-  std::map<Resolution, Intrinsics> in_right_map;
+  Intrinsics in_left;
+  Intrinsics in_right;
   Extrinsics ex_right_to_left;
 } img_params_t;
 
diff --git a/include/mynteye/device/device.h b/include/mynteye/device/device.h
index 4e9b6f3..3a416d4 100644
--- a/include/mynteye/device/device.h
+++ b/include/mynteye/device/device.h
@@ -104,14 +104,7 @@ class MYNTEYE_API Device {
    * Supports the addon or not.
    */
   bool Supports(const AddOns &addon) const;
-  /**
-   * Init device resolution.
-   */
-  void InitResolution(const Resolution &res);
-  /**
-   * set the stream request.
-   */
-  void SetStreamRequest(const Format &format, const FrameRate &rate);
+
   /**
    * Get all stream requests of the capability.
    */
@@ -122,6 +115,23 @@ class MYNTEYE_API Device {
    */
   void ConfigStreamRequest(
       const Capabilities &capability, const StreamRequest &request);
+  /**
+   * Get the config stream requests of the capability.
+   */
+  const StreamRequest &GetStreamRequest(const Capabilities &capability) const;
+
+  /**
+   * Get all stream requests of the key stream capability.
+   */
+  const std::vector<StreamRequest> &GetStreamRequests() const;
+  /**
+   * Config the stream request to the key stream capability.
+   */
+  void ConfigStreamRequest(const StreamRequest &request);
+  /**
+   * Get the config stream requests of the key stream capability.
+   */
+  const StreamRequest &GetStreamRequest() const;
 
   /**
    * Get the device info.
@@ -241,15 +251,15 @@ class MYNTEYE_API Device {
    */
   void WaitForStreams();
 
+  /**
+   * Get the latest data of stream.
+   */
+  device::StreamData GetStreamData(const Stream &stream);
   /**
    * Get the datas of stream.
    * @note default cache 4 datas at most.
    */
   std::vector<device::StreamData> GetStreamDatas(const Stream &stream);
-  /**
-   * Get the latest data of stream.
-   */
-  device::StreamData GetLatestStreamData(const Stream &stream);
 
   /**
    * Enable cache motion datas.
@@ -263,10 +273,6 @@ class MYNTEYE_API Device {
    * Get the motion datas.
    */
   std::vector<device::MotionData> GetMotionDatas();
-  /**
-   * Get the device img params
-   */
-  img_params_t GetImgParams();
 
  protected:
   std::shared_ptr<uvc::device> device() const {
@@ -285,8 +291,6 @@ class MYNTEYE_API Device {
     return motions_;
   }
 
-  const StreamRequest &GetStreamRequest(const Capabilities &capability);
-
   virtual void StartVideoStreaming();
   virtual void StopVideoStreaming();
 
@@ -295,25 +299,33 @@ class MYNTEYE_API Device {
 
   virtual void OnStereoStreamUpdate();
 
+  virtual Capabilities GetKeyStreamCapability() const = 0;
   virtual std::vector<Stream> GetKeyStreams() const = 0;
 
+  std::map<Resolution, device::img_params_t> GetImgParams() const {
+    return all_img_params_;
+  }
+  device::imu_params_t GetImuParams() const {
+    return imu_params_;
+  }
+
   bool video_streaming_;
   bool motion_tracking_;
 
  private:
   Model model_;
-  Resolution res_ = Resolution::RES_752x480;
-  StreamRequest request_;
   std::shared_ptr<uvc::device> device_;
   std::shared_ptr<DeviceInfo> device_info_;
 
+  std::map<Resolution, device::img_params_t> all_img_params_;
+  device::imu_params_t imu_params_;
+
   std::map<Stream, Intrinsics> stream_intrinsics_;
   std::map<Stream, std::map<Stream, Extrinsics>> stream_from_extrinsics_;
 
   std::shared_ptr<MotionIntrinsics> motion_intrinsics_;
   std::map<Stream, Extrinsics> motion_from_extrinsics_;
 
-  img_params_t img_params_;
   stream_callbacks_t stream_callbacks_;
   motion_callback_t motion_callback_;
 
@@ -331,8 +343,8 @@ class MYNTEYE_API Device {
   std::shared_ptr<Motions> motions_;
 
   void ReadAllInfos();
-
-  void ConfigIntrinsics(const Resolution &res);
+  void UpdateStreamIntrinsics(
+      const Capabilities &capability, const StreamRequest &request);
 
   void CallbackPushedStreamData(const Stream &stream);
   void CallbackMotionData(const device::MotionData &data);
diff --git a/include/mynteye/device/utils.h b/include/mynteye/device/utils.h
index 0b64ce1..82e3255 100644
--- a/include/mynteye/device/utils.h
+++ b/include/mynteye/device/utils.h
@@ -19,6 +19,7 @@
 #include <string>
 
 #include "mynteye/mynteye.h"
+#include "mynteye/types.h"
 
 MYNTEYE_BEGIN_NAMESPACE
 
@@ -39,6 +40,16 @@ namespace device {
  */
 MYNTEYE_API std::shared_ptr<Device> select();
 
+/**
+ * @ingroup utils
+ *
+ * List stream requests and prompt user to select one.
+ *
+ * @return the selected request.
+ */
+MYNTEYE_API MYNTEYE_NAMESPACE::StreamRequest select_request(
+    const std::shared_ptr<Device> &device, bool *ok);
+
 }  // namespace device
 
 namespace utils {
@@ -58,14 +69,14 @@ MYNTEYE_API float get_real_exposure_time(
 
 /**
  * @ingroup utils
- * 
+ *
  * Get sdk root dir.
  */
 MYNTEYE_API std::string get_sdk_root_dir();
 
 /**
  * @ingroup utils
- * 
+ *
  * Get sdk install dir.
  */
 MYNTEYE_API std::string get_sdk_install_dir();
diff --git a/include/mynteye/types.h b/include/mynteye/types.h
index 6b1c192..56e5a16 100644
--- a/include/mynteye/types.h
+++ b/include/mynteye/types.h
@@ -37,6 +37,8 @@ MYNTEYE_BEGIN_NAMESPACE
 enum class Model : std::uint8_t {
   /** Standard */
   STANDARD,
+  /** Standard 2 */
+  STANDARD2,
   /** Last guard */
   LAST
 };
@@ -74,10 +76,10 @@ enum class Stream : std::uint8_t {
 enum class Capabilities : std::uint8_t {
   /** Provides stereo stream */
   STEREO,
+  /** Provide stereo color stream */
+  STEREO_COLOR,
   /** Provides color stream */
   COLOR,
-  /** Provide stereo color  stream */
-  STEREO_COLOR,
   /** Provides depth stream */
   DEPTH,
   /** Provides point cloud stream */
@@ -143,6 +145,7 @@ enum class Option : std::uint8_t {
    *   range: [0,255], default: 127
    */
   CONTRAST,
+
   /**
    * Image frame rate, must set IMU_FREQUENCY together
    *
@@ -155,6 +158,7 @@ enum class Option : std::uint8_t {
    *   values: {100,200,250,333,500}, default: 200
    */
   IMU_FREQUENCY,
+
   /**
    * Exposure mode
    *
@@ -174,12 +178,19 @@ enum class Option : std::uint8_t {
    *   range: [0,1000], default: 333
    */
   MAX_EXPOSURE_TIME,
+  /**
+   * min exposure time, valid if auto-exposure
+   *
+   *   range: [0,1000], default: 0
+   */
+  MIN_EXPOSURE_TIME,
   /**
    * Desired brightness, valid if auto-exposure
    *
    *   range: [1,255], default: 122
    */
   DESIRED_BRIGHTNESS,
+
   /**
    * IR control
    *
@@ -193,16 +204,7 @@ enum class Option : std::uint8_t {
    *   1: 12-bit
    */
   HDR_MODE,
-  /** Zero drift calibration */
-  ZERO_DRIFT_CALIBRATION,
-  /** Erase chip */
-  ERASE_CHIP,
-  /**
-   * min exposure time, valid if auto-exposure
-   *
-   *   range: [0,1000], default: 0
-   */
-  MIN_EXPOSURE_TIME,
+
   /**
    * The range of accelerometer
    *
@@ -227,6 +229,12 @@ enum class Option : std::uint8_t {
    *   values: {23,64}, default: 64
    */
   GYROSCOPE_LOW_PASS_FILTER,
+
+  /** Zero drift calibration */
+  ZERO_DRIFT_CALIBRATION,
+  /** Erase chip */
+  ERASE_CHIP,
+
   /** Last guard */
   LAST
 };
@@ -259,40 +267,6 @@ enum class AddOns : std::uint8_t {
   LAST
 };
 
-/**
- * @ingroup enumerations
- * @brief Camera supported resolution.
- */
-enum class Resolution : std::uint8_t {
-  /** 752x480 */
-  RES_752x480,
-  /** 1280x400 */
-  RES_1280x400,
-  /** 2560x800 */
-  RES_2560x800,
-  /** Last guard */
-  LAST
-};
-
-/**
- * @ingroup enumerations
- * @brief Camera supported frame rate.
- */
-enum class FrameRate : std::uint8_t {
-  /** 10 fps */
-  RATE_10_FPS = 10,
-  /** 20 fps */
-  RATE_20_FPS = 20,
-  /** 20 fps */
-  RATE_25_FPS = 25,
-  /** 30 fps */
-  RATE_30_FPS = 30,
-  /** 60 fps */
-  RATE_60_FPS = 60,
-  /** Last guard */
-  LAST
-};
-
 #define MYNTEYE_ENUM_HELPERS(TYPE)                                       \
   MYNTEYE_API const char *to_string(const TYPE &value);                  \
   inline bool is_valid(const TYPE &value) {                              \
@@ -316,8 +290,6 @@ MYNTEYE_ENUM_HELPERS(Info)
 MYNTEYE_ENUM_HELPERS(Option)
 MYNTEYE_ENUM_HELPERS(Source)
 MYNTEYE_ENUM_HELPERS(AddOns)
-MYNTEYE_ENUM_HELPERS(Resolution)
-MYNTEYE_ENUM_HELPERS(FrameRate)
 
 #undef MYNTEYE_ENUM_HELPERS
 
@@ -350,6 +322,26 @@ inline std::ostream &operator<<(std::ostream &os, const Format &value) {
 
 MYNTEYE_API std::size_t bytes_per_pixel(const Format &value);
 
+/**
+ * Resolution.
+ */
+struct MYNTEYE_API Resolution {
+  /** Width */
+  std::uint16_t width;
+  /** Height */
+  std::uint16_t height;
+
+  bool operator==(const Resolution &other) const {
+    return width == other.width && height == other.height;
+  }
+  bool operator!=(const Resolution &other) const {
+    return !(*this == other);
+  }
+  bool operator<(const Resolution &other) const {
+    return (width * height) < (other.width * other.height);
+  }
+};
+
 /**
  * Stream request.
  */
@@ -370,25 +362,10 @@ struct MYNTEYE_API StreamRequest {
       std::uint16_t fps)
       : width(width), height(height), format(format), fps(fps) {}
 
-  StreamRequest(Resolution res, Format format, FrameRate rate)
-      : format(format) {
-    fps = static_cast<uint16_t>(rate);
+  StreamRequest(const Resolution &res, Format format, std::uint16_t fps)
+      : width(res.width), height(res.height), format(format), fps(fps) {}
 
-    switch (res) {
-      case Resolution::RES_752x480:
-        width = 480, height = 752;
-        break;
-      case Resolution::RES_1280x400:
-        width = 1280, height = 400;
-        break;
-      case Resolution::RES_2560x800:
-        width = 2560, height = 800;
-        break;
-      default:
-        width = 480, height = 752;
-        break;
-    }
-  }
+  Resolution GetResolution() const { return {width, height}; }
 
   bool operator==(const StreamRequest &other) const {
     return width == other.width && height == other.height &&
diff --git a/samples/api/camera.cc b/samples/api/camera.cc
index 8a18b8f..8678d31 100644
--- a/samples/api/camera.cc
+++ b/samples/api/camera.cc
@@ -21,9 +21,13 @@ MYNTEYE_USE_NAMESPACE
 
 int main(int argc, char *argv[]) {
   auto &&api = API::Create(argc, argv);
-  if (!api)
-    return 1;
-  api->SetStreamRequest(Format::BGR888, FrameRate::RATE_30_FPS);
+  if (!api) return 1;
+
+  bool ok;
+  auto &&request = api->SelectStreamRequest(&ok);
+  if (!ok) return 1;
+  api->ConfigStreamRequest(request);
+
   api->LogOptionInfos();
 
   std::size_t left_count = 0;
diff --git a/samples/api/get_depth_with_region.cc b/samples/api/get_depth_with_region.cc
index 560b279..25fc417 100644
--- a/samples/api/get_depth_with_region.cc
+++ b/samples/api/get_depth_with_region.cc
@@ -144,8 +144,12 @@ MYNTEYE_USE_NAMESPACE
 
 int main(int argc, char *argv[]) {
   auto &&api = API::Create(argc, argv);
-  if (!api)
-    return 1;
+  if (!api) return 1;
+
+  bool ok;
+  auto &&request = api->SelectStreamRequest(&ok);
+  if (!ok) return 1;
+  api->ConfigStreamRequest(request);
 
   api->SetOptionValue(Option::IR_CONTROL, 80);
 
diff --git a/samples/device/camera.cc b/samples/device/camera.cc
index 62f26af..1fd4add 100644
--- a/samples/device/camera.cc
+++ b/samples/device/camera.cc
@@ -25,12 +25,14 @@ int main(int argc, char *argv[]) {
   glog_init _(argc, argv);
 
   auto &&device = device::select();
-  if (!device)
-    return 1;
+  if (!device) return 1;
+
+  bool ok;
+  auto &&request = device::select_request(device, &ok);
+  if (!ok) return 1;
+  device->ConfigStreamRequest(request);
 
   std::size_t left_count = 0;
-  device->InitResolution(Resolution::RES_1280x400);
-  device->SetStreamRequest(Format::BGR888, FrameRate::RATE_30_FPS);
   device->SetStreamCallback(
       Stream::LEFT, [&left_count](const device::StreamData &data) {
         CHECK_NOTNULL(data.img);
@@ -77,8 +79,8 @@ int main(int argc, char *argv[]) {
   while (true) {
     device->WaitForStreams();
 
-    device::StreamData left_data = device->GetLatestStreamData(Stream::LEFT);
-    device::StreamData right_data = device->GetLatestStreamData(Stream::RIGHT);
+    device::StreamData left_data = device->GetStreamData(Stream::LEFT);
+    device::StreamData right_data = device->GetStreamData(Stream::RIGHT);
 
     auto &&motion_datas = device->GetMotionDatas();
     motion_count += motion_datas.size();
diff --git a/samples/tutorials/control/auto_exposure.cc b/samples/tutorials/control/auto_exposure.cc
index bc233dd..1c768c4 100644
--- a/samples/tutorials/control/auto_exposure.cc
+++ b/samples/tutorials/control/auto_exposure.cc
@@ -22,9 +22,12 @@ MYNTEYE_USE_NAMESPACE
 
 int main(int argc, char *argv[]) {
   auto &&api = API::Create(argc, argv);
-  if (!api)
-    return 1;
-  api->SetStreamRequest(Format::BGR888, FrameRate::RATE_30_FPS);
+  if (!api) return 1;
+
+  bool ok;
+  auto &&request = api->SelectStreamRequest(&ok);
+  if (!ok) return 1;
+  api->ConfigStreamRequest(request);
 
   // auto-exposure: 0
   api->SetOptionValue(Option::EXPOSURE_MODE, 0);
diff --git a/samples/tutorials/control/framerate.cc b/samples/tutorials/control/framerate.cc
index 9867952..52ca904 100644
--- a/samples/tutorials/control/framerate.cc
+++ b/samples/tutorials/control/framerate.cc
@@ -22,11 +22,14 @@
 MYNTEYE_USE_NAMESPACE
 
 int main(int argc, char *argv[]) {
-  auto &&api = API::Create(Resolution::RES_1280x400);
-  // auto &&api = API::Create(argc, argv);
-  if (!api)
-    return 1;
-  api->SetStreamRequest(Format::BGR888, FrameRate::RATE_30_FPS);
+  auto &&api = API::Create(argc, argv);
+  if (!api) return 1;
+
+  bool ok;
+  auto &&request = api->SelectStreamRequest(&ok);
+  if (!ok) return 1;
+  api->ConfigStreamRequest(request);
+
   // Count img
   std::atomic_uint img_count(0);
   api->SetStreamCallback(
diff --git a/samples/tutorials/control/imu_range.cc b/samples/tutorials/control/imu_range.cc
index 1830248..93f776c 100644
--- a/samples/tutorials/control/imu_range.cc
+++ b/samples/tutorials/control/imu_range.cc
@@ -23,8 +23,12 @@ MYNTEYE_USE_NAMESPACE
 
 int main(int argc, char *argv[]) {
   auto &&api = API::Create(argc, argv);
-  if (!api)
-    return 1;
+  if (!api) return 1;
+
+  bool ok;
+  auto &&request = api->SelectStreamRequest(&ok);
+  if (!ok) return 1;
+  api->ConfigStreamRequest(request);
 
   // ACCELEROMETER_RANGE values: 6, 12, 24, 32
   api->SetOptionValue(Option::ACCELEROMETER_RANGE, 6);
diff --git a/samples/tutorials/control/manual_exposure.cc b/samples/tutorials/control/manual_exposure.cc
index f513a4a..daa6fb9 100644
--- a/samples/tutorials/control/manual_exposure.cc
+++ b/samples/tutorials/control/manual_exposure.cc
@@ -22,9 +22,12 @@ MYNTEYE_USE_NAMESPACE
 
 int main(int argc, char *argv[]) {
   auto &&api = API::Create(argc, argv);
-  if (!api)
-    return 1;
-  api->SetStreamRequest(Format::BGR888, FrameRate::RATE_30_FPS);
+  if (!api) return 1;
+
+  bool ok;
+  auto &&request = api->SelectStreamRequest(&ok);
+  if (!ok) return 1;
+  api->ConfigStreamRequest(request);
 
   // manual-exposure: 1
   api->SetOptionValue(Option::EXPOSURE_MODE, 1);
diff --git a/samples/tutorials/data/get_depth.cc b/samples/tutorials/data/get_depth.cc
index e973967..d2c4246 100644
--- a/samples/tutorials/data/get_depth.cc
+++ b/samples/tutorials/data/get_depth.cc
@@ -19,8 +19,12 @@ MYNTEYE_USE_NAMESPACE
 
 int main(int argc, char *argv[]) {
   auto &&api = API::Create(argc, argv);
-  if (!api)
-    return 1;
+  if (!api) return 1;
+
+  bool ok;
+  auto &&request = api->SelectStreamRequest(&ok);
+  if (!ok) return 1;
+  api->ConfigStreamRequest(request);
 
   api->EnableStreamData(Stream::DEPTH);
 
diff --git a/samples/tutorials/data/get_device_info.cc b/samples/tutorials/data/get_device_info.cc
index 5217c36..ddb3bd9 100644
--- a/samples/tutorials/data/get_device_info.cc
+++ b/samples/tutorials/data/get_device_info.cc
@@ -18,8 +18,7 @@ MYNTEYE_USE_NAMESPACE
 
 int main(int argc, char *argv[]) {
   auto &&api = API::Create(argc, argv);
-  if (!api)
-    return 1;
+  if (!api) return 1;
 
   LOG(INFO) << "Device name: " << api->GetInfo(Info::DEVICE_NAME);
   LOG(INFO) << "Serial number: " << api->GetInfo(Info::SERIAL_NUMBER);
diff --git a/samples/tutorials/data/get_disparity.cc b/samples/tutorials/data/get_disparity.cc
index 243d81e..582dc72 100644
--- a/samples/tutorials/data/get_disparity.cc
+++ b/samples/tutorials/data/get_disparity.cc
@@ -19,8 +19,12 @@ MYNTEYE_USE_NAMESPACE
 
 int main(int argc, char *argv[]) {
   auto &&api = API::Create(argc, argv);
-  if (!api)
-    return 1;
+  if (!api) return 1;
+
+  bool ok;
+  auto &&request = api->SelectStreamRequest(&ok);
+  if (!ok) return 1;
+  api->ConfigStreamRequest(request);
 
   // api->EnableStreamData(Stream::DISPARITY);
   api->EnableStreamData(Stream::DISPARITY_NORMALIZED);
diff --git a/samples/tutorials/data/get_from_callbacks.cc b/samples/tutorials/data/get_from_callbacks.cc
index 27c30a4..b1effcc 100644
--- a/samples/tutorials/data/get_from_callbacks.cc
+++ b/samples/tutorials/data/get_from_callbacks.cc
@@ -27,8 +27,12 @@ MYNTEYE_USE_NAMESPACE
 
 int main(int argc, char *argv[]) {
   auto &&api = API::Create(argc, argv);
-  if (!api)
-    return 1;
+  if (!api) return 1;
+
+  bool ok;
+  auto &&request = api->SelectStreamRequest(&ok);
+  if (!ok) return 1;
+  api->ConfigStreamRequest(request);
 
   // Attention: must not block the callbacks.
 
diff --git a/samples/tutorials/data/get_img_params.cc b/samples/tutorials/data/get_img_params.cc
index f84642e..41bfbce 100644
--- a/samples/tutorials/data/get_img_params.cc
+++ b/samples/tutorials/data/get_img_params.cc
@@ -18,9 +18,13 @@ MYNTEYE_USE_NAMESPACE
 
 int main(int argc, char *argv[]) {
   auto &&api = API::Create(argc, argv);
-  if (!api)
-    return 1;
-  api->SetStreamRequest(Format::BGR888, FrameRate::RATE_30_FPS);
+  if (!api) return 1;
+
+  bool ok;
+  auto &&request = api->SelectStreamRequest(&ok);
+  if (!ok) return 1;
+  api->ConfigStreamRequest(request);
+
   LOG(INFO) << "Intrinsics left: {" << api->GetIntrinsics(Stream::LEFT) << "}";
   LOG(INFO) << "Intrinsics right: {" << api->GetIntrinsics(Stream::RIGHT)
             << "}";
diff --git a/samples/tutorials/data/get_imu.cc b/samples/tutorials/data/get_imu.cc
index a449f6e..c09d225 100644
--- a/samples/tutorials/data/get_imu.cc
+++ b/samples/tutorials/data/get_imu.cc
@@ -22,8 +22,12 @@ MYNTEYE_USE_NAMESPACE
 
 int main(int argc, char *argv[]) {
   auto &&api = API::Create(argc, argv);
-  if (!api)
-    return 1;
+  if (!api) return 1;
+
+  bool ok;
+  auto &&request = api->SelectStreamRequest(&ok);
+  if (!ok) return 1;
+  api->ConfigStreamRequest(request);
 
   // Enable this will cache the motion datas until you get them.
   api->EnableMotionDatas();
diff --git a/samples/tutorials/data/get_imu_params.cc b/samples/tutorials/data/get_imu_params.cc
index 7757611..092aaec 100644
--- a/samples/tutorials/data/get_imu_params.cc
+++ b/samples/tutorials/data/get_imu_params.cc
@@ -18,8 +18,7 @@ MYNTEYE_USE_NAMESPACE
 
 int main(int argc, char *argv[]) {
   auto &&api = API::Create(argc, argv);
-  if (!api)
-    return 1;
+  if (!api) return 1;
 
   LOG(INFO) << "Motion intrinsics: {" << api->GetMotionIntrinsics() << "}";
   LOG(INFO) << "Motion extrinsics left to imu: {"
diff --git a/samples/tutorials/data/get_points.cc b/samples/tutorials/data/get_points.cc
index 28294f5..ef2d91f 100644
--- a/samples/tutorials/data/get_points.cc
+++ b/samples/tutorials/data/get_points.cc
@@ -21,8 +21,12 @@ MYNTEYE_USE_NAMESPACE
 
 int main(int argc, char *argv[]) {
   auto &&api = API::Create(argc, argv);
-  if (!api)
-    return 1;
+  if (!api) return 1;
+
+  bool ok;
+  auto &&request = api->SelectStreamRequest(&ok);
+  if (!ok) return 1;
+  api->ConfigStreamRequest(request);
 
   api->EnableStreamData(Stream::POINTS);
 
diff --git a/samples/tutorials/data/get_stereo.cc b/samples/tutorials/data/get_stereo.cc
index 391c53e..1dd024a 100644
--- a/samples/tutorials/data/get_stereo.cc
+++ b/samples/tutorials/data/get_stereo.cc
@@ -19,8 +19,12 @@ MYNTEYE_USE_NAMESPACE
 
 int main(int argc, char *argv[]) {
   auto &&api = API::Create(argc, argv);
-  if (!api)
-    return 1;
+  if (!api) return 1;
+
+  bool ok;
+  auto &&request = api->SelectStreamRequest(&ok);
+  if (!ok) return 1;
+  api->ConfigStreamRequest(request);
 
   api->Start(Source::VIDEO_STREAMING);
 
diff --git a/samples/tutorials/data/get_stereo_rectified.cc b/samples/tutorials/data/get_stereo_rectified.cc
index 10c0bf5..dadba65 100644
--- a/samples/tutorials/data/get_stereo_rectified.cc
+++ b/samples/tutorials/data/get_stereo_rectified.cc
@@ -19,8 +19,12 @@ MYNTEYE_USE_NAMESPACE
 
 int main(int argc, char *argv[]) {
   auto &&api = API::Create(argc, argv);
-  if (!api)
-    return 1;
+  if (!api) return 1;
+
+  bool ok;
+  auto &&request = api->SelectStreamRequest(&ok);
+  if (!ok) return 1;
+  api->ConfigStreamRequest(request);
 
   api->EnableStreamData(Stream::LEFT_RECTIFIED);
   api->EnableStreamData(Stream::RIGHT_RECTIFIED);
diff --git a/samples/tutorials/data/get_with_plugin.cc b/samples/tutorials/data/get_with_plugin.cc
index e8a0e05..af943b0 100644
--- a/samples/tutorials/data/get_with_plugin.cc
+++ b/samples/tutorials/data/get_with_plugin.cc
@@ -19,8 +19,12 @@ MYNTEYE_USE_NAMESPACE
 
 int main(int argc, char *argv[]) {
   auto &&api = API::Create(argc, argv);
-  if (!api)
-    return 1;
+  if (!api) return 1;
+
+  bool ok;
+  auto &&request = api->SelectStreamRequest(&ok);
+  if (!ok) return 1;
+  api->ConfigStreamRequest(request);
 
   api->EnablePlugin("plugins/linux-x86_64/libplugin_g_cuda9.1_opencv3.4.0.so");
 
diff --git a/samples/tutorials/intermediate/get_depth_and_points.cc b/samples/tutorials/intermediate/get_depth_and_points.cc
index 5761c62..5a2d5d8 100644
--- a/samples/tutorials/intermediate/get_depth_and_points.cc
+++ b/samples/tutorials/intermediate/get_depth_and_points.cc
@@ -148,8 +148,12 @@ MYNTEYE_USE_NAMESPACE
 
 int main(int argc, char *argv[]) {
   auto &&api = API::Create(argc, argv);
-  if (!api)
-    return 1;
+  if (!api) return 1;
+
+  bool ok;
+  auto &&request = api->SelectStreamRequest(&ok);
+  if (!ok) return 1;
+  api->ConfigStreamRequest(request);
 
   api->SetOptionValue(Option::IR_CONTROL, 80);
 
diff --git a/src/mynteye/api/api.cc b/src/mynteye/api/api.cc
index a74df26..24d17dd 100644
--- a/src/mynteye/api/api.cc
+++ b/src/mynteye/api/api.cc
@@ -218,52 +218,15 @@ API::~API() {
   VLOG(2) << __func__;
 }
 
-std::shared_ptr<API> API::Create(Resolution res) {
-  auto &&device = device::select();
-  if (!device)
-    return nullptr;
-  device->InitResolution(res);
-  return std::make_shared<API>(device);
-}
-
-std::shared_ptr<API> API::Create(
-    std::shared_ptr<Device> device, Resolution res) {
-  if (!device)
-    return nullptr;
-  device->InitResolution(res);
-  return std::make_shared<API>(device);
-}
-
-// TODO(Kalman): Compatible with two generation
-std::shared_ptr<API> API::Create(std::shared_ptr<Device> device) {
-  return Create(device, Resolution::RES_2560x800);
-}
-
 std::shared_ptr<API> API::Create(int argc, char *argv[]) {
   auto &&device = device::select();
+  if (!device) return nullptr;
   return Create(argc, argv, device);
 }
 
-// TODO(Kalman): Compatible with two generation
 std::shared_ptr<API> API::Create(
-    int argc, char *argv[], std::shared_ptr<Device> device) {
+    int argc, char *argv[], const std::shared_ptr<Device> &device) {
   static glog_init _(argc, argv);
-  int index = 0;
-  if (argc >= 2) {
-    try {
-      index = std::stoi(argv[1]);
-    } catch (...) {
-      LOG(WARNING) << "Unexpected index.";
-    }
-  }
-  if (!device)
-    return nullptr;
-  if (index == 0)
-    device->InitResolution(Resolution::RES_1280x400);
-  else if (index == 1)
-    device->InitResolution(Resolution::RES_2560x800);
-  else
-    device->InitResolution(Resolution::RES_1280x400);
   return std::make_shared<API>(device);
 }
 
@@ -287,12 +250,8 @@ bool API::Supports(const AddOns &addon) const {
   return device_->Supports(addon);
 }
 
-void API::InitResolution(const Resolution &res) {
-  return device_->InitResolution(res);
-}
-
-void API::SetStreamRequest(const Format &format, const FrameRate &rate) {
-  device_->SetStreamRequest(format, rate);
+StreamRequest API::SelectStreamRequest(bool *ok) const {
+  return device::select_request(device_, ok);
 }
 
 const std::vector<StreamRequest> &API::GetStreamRequests(
@@ -305,6 +264,27 @@ void API::ConfigStreamRequest(
   device_->ConfigStreamRequest(capability, request);
 }
 
+const StreamRequest &API::GetStreamRequest(
+    const Capabilities &capability) const {
+  return device_->GetStreamRequest(capability);
+}
+
+const std::vector<StreamRequest> &API::GetStreamRequests() const {
+  return device_->GetStreamRequests();
+}
+
+void API::ConfigStreamRequest(const StreamRequest &request) {
+  device_->ConfigStreamRequest(request);
+}
+
+const StreamRequest &API::GetStreamRequest() const {
+  return device_->GetStreamRequest();
+}
+
+std::shared_ptr<DeviceInfo> API::GetInfo() const {
+  return device_->GetInfo();
+}
+
 std::string API::GetInfo(const Info &info) const {
   return device_->GetInfo(info);
 }
diff --git a/src/mynteye/api/synthetic.cc b/src/mynteye/api/synthetic.cc
index 296e5af..04f1ca9 100644
--- a/src/mynteye/api/synthetic.cc
+++ b/src/mynteye/api/synthetic.cc
@@ -161,7 +161,7 @@ api::StreamData Synthetic::GetStreamData(const Stream &stream) {
   auto &&mode = GetStreamEnabledMode(stream);
   if (mode == MODE_NATIVE) {
     auto &&device = api_->device();
-    return data2api(device->GetLatestStreamData(stream));
+    return data2api(device->GetStreamData(stream));
   } else if (mode == MODE_SYNTHETIC) {
     if (stream == Stream::LEFT_RECTIFIED || stream == Stream::RIGHT_RECTIFIED) {
       static std::shared_ptr<ObjMat2> output = nullptr;
diff --git a/src/mynteye/device/channels.cc b/src/mynteye/device/channels.cc
index 48a0998..5450eac 100644
--- a/src/mynteye/device/channels.cc
+++ b/src/mynteye/device/channels.cc
@@ -563,44 +563,43 @@ std::size_t from_data(
   return i;
 }
 
-// TODO(Kalman): Is there a more elegant way?
 std::size_t from_data(
-    device::img_params_t *img_params, const std::uint8_t *data,
+    Channels::img_params_t *img_params, const std::uint8_t *data,
     const Version *spec_version) {
   std::size_t i = 0;
 
+  // TODO(JohnZhao)
+  Intrinsics in_left, in_right;
+  Extrinsics ex_right_to_left;
+
   if (spec_version->major() == 1) {
     if (spec_version->minor() == 0) {
-      i += from_data(
-          &img_params->in_left_map[Resolution::RES_752x480], data + i,
-          spec_version);
-      i += from_data(
-          &img_params->in_right_map[Resolution::RES_752x480], data + i,
-          spec_version);
+      i += from_data(&in_left, data + i, spec_version);
+      i += from_data(&in_right, data + i, spec_version);
+      i += from_data(&ex_right_to_left, data + i, spec_version);
+      (*img_params)[{752, 480}] = {true, in_left, in_right, ex_right_to_left};
     }
 
     if (spec_version->minor() == 1) {
-      i += from_data(
-          &img_params->in_left_map[Resolution::RES_1280x400], data + i,
-          spec_version);
-      i += from_data(
-          &img_params->in_right_map[Resolution::RES_1280x400], data + i,
-          spec_version);
-      i += from_data(
-          &img_params->in_left_map[Resolution::RES_2560x800], data + i,
-          spec_version);
-      i += from_data(
-          &img_params->in_right_map[Resolution::RES_2560x800], data + i,
-          spec_version);
+      i += from_data(&in_left, data + i, spec_version);
+      i += from_data(&in_right, data + i, spec_version);
+      (*img_params)[{1280, 400}] = {true, in_left, in_right, ex_right_to_left};
+
+      i += from_data(&in_left, data + i, spec_version);
+      i += from_data(&in_right, data + i, spec_version);
+      (*img_params)[{2560, 800}] = {true, in_left, in_right, ex_right_to_left};
+
+      i += from_data(&ex_right_to_left, data + i, spec_version);
+      (*img_params)[{1280, 400}].ex_right_to_left = ex_right_to_left;
+      (*img_params)[{2560, 800}].ex_right_to_left = ex_right_to_left;
     }
   }
 
-  i += from_data(&img_params->ex_right_to_left, data + i, spec_version);
   return i;
 }
 
 std::size_t from_data(
-    device::imu_params_t *imu_params, const std::uint8_t *data,
+    Channels::imu_params_t *imu_params, const std::uint8_t *data,
     const Version *spec_version) {
   std::size_t i = 0;
   i += from_data(&imu_params->in_accel, data + i, spec_version);
@@ -674,8 +673,7 @@ bool Channels::GetFiles(
           CheckSpecVersion(spec_ver);
         } break;
         case FID_IMG_PARAMS: {
-          img_params->ok = file_size > 0;
-          if (img_params->ok) {
+          if (file_size > 0) {
             CheckSpecVersion(spec_ver);
             from_data(img_params, data + i, spec_ver);
             // Considering the upgrade, comment this
@@ -864,38 +862,34 @@ std::size_t to_data(
 }
 
 std::size_t to_data(
-    const device::img_params_t *img_params, std::uint8_t *data,
+    const Channels::img_params_t *img_params, std::uint8_t *data,
     const Version *spec_version) {
   std::size_t i = 3;  // skip id, size
 
+  // TODO(JohnZhao)
   if (spec_version->major() == 1) {
     if (spec_version->minor() == 0) {
-      i += to_data(
-          &img_params->in_left_map.at(Resolution::RES_752x480), data + i,
-          spec_version);
-      i += to_data(
-          &img_params->in_right_map.at(Resolution::RES_752x480), data + i,
-          spec_version);
+      auto &&params = (*img_params).at({752, 480});
+      i += to_data(&params.in_left, data + i, spec_version);
+      i += to_data(&params.in_right, data + i, spec_version);
+      i += to_data(&params.ex_right_to_left, data + i, spec_version);
     }
 
     if (spec_version->minor() == 1) {
-      i += to_data(
-          &img_params->in_left_map.at(Resolution::RES_1280x400), data + i,
-          spec_version);
-      i += to_data(
-          &img_params->in_right_map.at(Resolution::RES_1280x400), data + i,
-          spec_version);
-
-      i += to_data(
-          &img_params->in_left_map.at(Resolution::RES_2560x800), data + i,
-          spec_version);
-      i += to_data(
-          &img_params->in_right_map.at(Resolution::RES_2560x800), data + i,
-          spec_version);
+      {
+        auto &&params = (*img_params).at({1280, 400});
+        i += to_data(&params.in_left, data + i, spec_version);
+        i += to_data(&params.in_right, data + i, spec_version);
+      }
+      {
+        auto &&params = (*img_params).at({2560, 800});
+        i += to_data(&params.in_left, data + i, spec_version);
+        i += to_data(&params.in_right, data + i, spec_version);
+        i += to_data(&params.ex_right_to_left, data + i, spec_version);
+      }
     }
   }
 
-  i += to_data(&img_params->ex_right_to_left, data + i, spec_version);
   // others
   std::size_t size = i - 3;
   data[0] = Channels::FID_IMG_PARAMS;
diff --git a/src/mynteye/device/channels.h b/src/mynteye/device/channels.h
index 86dccdb..3c42c65 100644
--- a/src/mynteye/device/channels.h
+++ b/src/mynteye/device/channels.h
@@ -68,23 +68,9 @@ class MYNTEYE_API Channels {
 
   using device_info_t = DeviceInfo;
 
+  using img_params_t = std::map<Resolution, device::img_params_t>;
   using imu_params_t = device::imu_params_t;
-  using img_params_t = device::img_params_t;
-/*
-  typedef struct ImgParams {
-    bool ok;
-    std::map<Resolution, Intrinsics> in_left_map;
-    std::map<Resolution, Intrinsics> in_right_map;
-    Extrinsics ex_right_to_left;
-  } img_params_t;
 
-  typedef struct ImuParams {
-    bool ok;
-    ImuIntrinsics in_accel;
-    ImuIntrinsics in_gyro;
-    Extrinsics ex_left_to_imu;
-  } imu_params_t;
-*/
   explicit Channels(std::shared_ptr<uvc::device> device);
   ~Channels();
 
diff --git a/src/mynteye/device/config.cc b/src/mynteye/device/config.cc
index 4b867d8..115e243 100644
--- a/src/mynteye/device/config.cc
+++ b/src/mynteye/device/config.cc
@@ -16,39 +16,65 @@
 MYNTEYE_BEGIN_NAMESPACE
 
 const std::map<Model, StreamSupports> stream_supports_map = {
-    {Model::STANDARD, {Stream::LEFT, Stream::RIGHT}}};
+  {Model::STANDARD, {Stream::LEFT, Stream::RIGHT}},
+  {Model::STANDARD2, {Stream::LEFT, Stream::RIGHT}}
+};
 
 const std::map<Model, CapabilitiesSupports> capabilities_supports_map = {
-    {Model::STANDARD, {Capabilities::STEREO_COLOR, Capabilities::IMU}}};
+  {Model::STANDARD, {Capabilities::STEREO, Capabilities::IMU}},
+  {Model::STANDARD2, {Capabilities::STEREO_COLOR, Capabilities::IMU}}
+};
 
-// TODO(Kalman): Compatible with two generation
 const std::map<Model, OptionSupports> option_supports_map = {
-    {Model::STANDARD,
-     {Option::BRIGHTNESS, Option::EXPOSURE_MODE, Option::MAX_GAIN,
-      Option::MAX_EXPOSURE_TIME, Option::DESIRED_BRIGHTNESS,
-      Option::MIN_EXPOSURE_TIME, Option::ERASE_CHIP,
-      Option::ACCELEROMETER_RANGE, Option::GYROSCOPE_RANGE,
-      Option::ACCELEROMETER_LOW_PASS_FILTER,
-      Option::GYROSCOPE_LOW_PASS_FILTER}}};
+  {Model::STANDARD, {
+    Option::GAIN, Option::BRIGHTNESS, Option::CONTRAST,
+    Option::FRAME_RATE, Option::IMU_FREQUENCY,
+    Option::EXPOSURE_MODE, Option::MAX_GAIN, Option::MAX_EXPOSURE_TIME,
+      Option::DESIRED_BRIGHTNESS,
+    Option::IR_CONTROL,
+    Option::HDR_MODE,
+    Option::ACCELEROMETER_RANGE, Option::GYROSCOPE_RANGE,
+    Option::ZERO_DRIFT_CALIBRATION,
+    Option::ERASE_CHIP}
+  },
+  {Model::STANDARD2, {
+    Option::BRIGHTNESS,
+    Option::EXPOSURE_MODE, Option::MAX_GAIN, Option::MAX_EXPOSURE_TIME,
+      Option::MIN_EXPOSURE_TIME, Option::DESIRED_BRIGHTNESS,
+    Option::ACCELEROMETER_RANGE, Option::GYROSCOPE_RANGE,
+    Option::ACCELEROMETER_LOW_PASS_FILTER, Option::GYROSCOPE_LOW_PASS_FILTER,
+    Option::ERASE_CHIP}
+  }
+};
 
 const std::map<Model, std::map<Capabilities, StreamRequests>>
-    stream_requests_map = {
-        {Model::STANDARD,
-         {{Capabilities::STEREO, {{480, 752, Format::YUYV, 25}}},
-          {Capabilities::STEREO_COLOR,
-           {// {1280, 400, Format::YUYV, 10},
-            // {1280, 400, Format::YUYV, 20},
-            // {1280, 400, Format::YUYV, 30},
-            // {1280, 400, Format::YUYV, 60},
-            // {2560, 800, Format::YUYV, 10},
-            // {2560, 800, Format::YUYV, 20},
-            // {2560, 800, Format::YUYV, 30},
-            {1280, 400, Format::BGR888, 10},
-            {1280, 400, Format::BGR888, 20},
-            {1280, 400, Format::BGR888, 30},
-            {1280, 400, Format::BGR888, 60},
-            {2560, 800, Format::BGR888, 10},
-            {2560, 800, Format::BGR888, 20},
-            {2560, 800, Format::BGR888, 30}}}}}};
+stream_requests_map = {
+  {Model::STANDARD,
+    {{Capabilities::STEREO, {
+      {752, 480, Format::YUYV, 10},
+      {752, 480, Format::YUYV, 15},
+      {752, 480, Format::YUYV, 20},
+      {752, 480, Format::YUYV, 25},
+      {752, 480, Format::YUYV, 30},
+      {752, 480, Format::YUYV, 35},
+      {752, 480, Format::YUYV, 40},
+      {752, 480, Format::YUYV, 45},
+      {752, 480, Format::YUYV, 50},
+      {752, 480, Format::YUYV, 55},
+      {752, 480, Format::YUYV, 60}}
+    }}
+  },
+  {Model::STANDARD2,
+    {{Capabilities::STEREO_COLOR, {
+      {1280, 400, Format::BGR888, 10},
+      {1280, 400, Format::BGR888, 20},
+      {1280, 400, Format::BGR888, 30},
+      {1280, 400, Format::BGR888, 60},
+      {2560, 800, Format::BGR888, 10},
+      {2560, 800, Format::BGR888, 20},
+      {2560, 800, Format::BGR888, 30}}
+    }}
+  }
+};
 
 MYNTEYE_END_NAMESPACE
diff --git a/src/mynteye/device/config.h b/src/mynteye/device/config.h
index a4f8dba..f38dab0 100644
--- a/src/mynteye/device/config.h
+++ b/src/mynteye/device/config.h
@@ -27,18 +27,13 @@ MYNTEYE_BEGIN_NAMESPACE
 using StreamSupports = std::set<Stream>;
 using CapabilitiesSupports = std::set<Capabilities>;
 using OptionSupports = std::set<Option>;
-using ResolutionSupports = std::set<Resolution>;
-using FrameRateSupports = std::set<FrameRate>;
+
 extern const std::map<Model, StreamSupports> stream_supports_map;
 extern const std::map<Model, CapabilitiesSupports> capabilities_supports_map;
 extern const std::map<Model, OptionSupports> option_supports_map;
-extern const std::map<Model, ResolutionSupports> resolution_supports_map;
 
 using StreamRequests = std::vector<StreamRequest>;
 
-extern const std::map<Model, std::map<Resolution, FrameRateSupports>>
-    framerate_Supports_supports_map;
-
 extern const std::map<Model, std::map<Capabilities, StreamRequests>>
     stream_requests_map;
 
diff --git a/src/mynteye/device/device.cc b/src/mynteye/device/device.cc
index 7041168..a15d7a5 100644
--- a/src/mynteye/device/device.cc
+++ b/src/mynteye/device/device.cc
@@ -172,6 +172,33 @@ void Device::ConfigStreamRequest(
     return;
   }
   stream_config_requests_[capability] = request;
+  UpdateStreamIntrinsics(capability, request);
+}
+
+const StreamRequest &Device::GetStreamRequest(
+    const Capabilities &capability) const {
+  try {
+    return stream_config_requests_.at(capability);
+  } catch (const std::out_of_range &e) {
+    auto &&requests = GetStreamRequests(capability);
+    if (requests.size() >= 1) {
+      return requests[0];
+    } else {
+      LOG(FATAL) << "Please config the stream request of " << capability;
+    }
+  }
+}
+
+const std::vector<StreamRequest> &Device::GetStreamRequests() const {
+  return GetStreamRequests(GetKeyStreamCapability());
+}
+
+void Device::ConfigStreamRequest(const StreamRequest &request) {
+  ConfigStreamRequest(GetKeyStreamCapability(), request);
+}
+
+const StreamRequest &Device::GetStreamRequest() const {
+  return GetStreamRequest(GetKeyStreamCapability());
 }
 
 std::shared_ptr<DeviceInfo> Device::GetInfo() const {
@@ -406,6 +433,14 @@ void Device::WaitForStreams() {
   streams_->WaitForStreams();
 }
 
+device::StreamData Device::GetStreamData(const Stream &stream) {
+  CHECK(video_streaming_);
+  CHECK_NOTNULL(streams_);
+  CheckSupports(this, stream);
+  std::lock_guard<std::mutex> _(mtx_streams_);
+  return streams_->GetLatestStreamData(stream);
+}
+
 std::vector<device::StreamData> Device::GetStreamDatas(const Stream &stream) {
   CHECK(video_streaming_);
   CHECK_NOTNULL(streams_);
@@ -414,14 +449,6 @@ std::vector<device::StreamData> Device::GetStreamDatas(const Stream &stream) {
   return streams_->GetStreamDatas(stream);
 }
 
-device::StreamData Device::GetLatestStreamData(const Stream &stream) {
-  CHECK(video_streaming_);
-  CHECK_NOTNULL(streams_);
-  CheckSupports(this, stream);
-  std::lock_guard<std::mutex> _(mtx_streams_);
-  return streams_->GetLatestStreamData(stream);
-}
-
 void Device::EnableMotionDatas() {
   EnableMotionDatas(std::numeric_limits<std::size_t>::max());
 }
@@ -437,33 +464,6 @@ std::vector<device::MotionData> Device::GetMotionDatas() {
   return motions_->GetMotionDatas();
 }
 
-void Device::InitResolution(const Resolution &res) {
-  res_ = res;
-  ConfigIntrinsics(res_);
-}
-
-void Device::SetStreamRequest(const Format &format, const FrameRate &rate) {
-  StreamRequest request(res_, format, rate);
-  request_ = request;
-}
-
-const StreamRequest &Device::GetStreamRequest(const Capabilities &capability) {
-  try {
-    return stream_config_requests_.at(capability);
-  } catch (const std::out_of_range &e) {
-    auto &&requests = GetStreamRequests(capability);
-    if (requests.size() >= 1) {
-      for (auto &&request : requests) {
-        if (request == request_)
-          return request;
-      }
-      return requests[0];
-    } else {
-      LOG(FATAL) << "Please config the stream request of " << capability;
-    }
-  }
-}
-
 void Device::StartVideoStreaming() {
   if (video_streaming_) {
     LOG(WARNING) << "Cannot start video streaming without first stopping it";
@@ -557,8 +557,9 @@ void Device::ReadAllInfos() {
   device_info_ = std::make_shared<DeviceInfo>();
 
   CHECK_NOTNULL(channels_);
+  all_img_params_.clear();
   Device::imu_params_t imu_params;
-  if (!channels_->GetFiles(device_info_.get(), &img_params_, &imu_params)) {
+  if (!channels_->GetFiles(device_info_.get(), &all_img_params_, &imu_params)) {
 #if defined(WITH_DEVICE_INFO_REQUIRED)
     LOG(FATAL)
 #else
@@ -579,14 +580,28 @@ void Device::ReadAllInfos() {
           << ", nominal_baseline: " << device_info_->nominal_baseline << "}";
 
   device_info_->name = uvc::get_name(*device_);
-  if (img_params_.ok) {
-    SetExtrinsics(Stream::LEFT, Stream::RIGHT, img_params_.ex_right_to_left);
-    VLOG(2) << "Extrinsics left to right: {"
-            << GetExtrinsics(Stream::LEFT, Stream::RIGHT) << "}";
-  } else {
+
+  bool img_params_ok = false;
+  for (auto &&params : all_img_params_) {
+    auto &&img_params = params.second;
+    if (img_params.ok) {
+      img_params_ok = true;
+      SetIntrinsics(Stream::LEFT, img_params.in_left);
+      SetIntrinsics(Stream::RIGHT, img_params.in_right);
+      SetExtrinsics(Stream::LEFT, Stream::RIGHT, img_params.ex_right_to_left);
+      VLOG(2) << "Intrinsics left: {" << GetIntrinsics(Stream::LEFT) << "}";
+      VLOG(2) << "Intrinsics right: {" << GetIntrinsics(Stream::RIGHT) << "}";
+      VLOG(2) << "Extrinsics left to right: {"
+              << GetExtrinsics(Stream::LEFT, Stream::RIGHT) << "}";
+      break;
+    }
+  }
+  if (!img_params_ok) {
     LOG(WARNING) << "Intrinsics & extrinsics not exist";
   }
+
   if (imu_params.ok) {
+    imu_params_ = imu_params;
     SetMotionIntrinsics({imu_params.in_accel, imu_params.in_gyro});
     SetMotionExtrinsics(Stream::LEFT, imu_params.ex_left_to_imu);
     VLOG(2) << "Motion intrinsics: {" << GetMotionIntrinsics() << "}";
@@ -597,12 +612,25 @@ void Device::ReadAllInfos() {
   }
 }
 
-void Device::ConfigIntrinsics(const Resolution &res) {
-  if (img_params_.ok) {
-    SetIntrinsics(Stream::LEFT, img_params_.in_left_map[res]);
-    SetIntrinsics(Stream::RIGHT, img_params_.in_right_map[res]);
-    VLOG(2) << "Intrinsics left: {" << GetIntrinsics(Stream::LEFT) << "}";
-    VLOG(2) << "Intrinsics right: {" << GetIntrinsics(Stream::RIGHT) << "}";
+void Device::UpdateStreamIntrinsics(
+    const Capabilities &capability, const StreamRequest &request) {
+  if (capability != GetKeyStreamCapability()) {
+    return;
+  }
+
+  for (auto &&params : all_img_params_) {
+    auto &&img_res = params.first;
+    auto &&img_params = params.second;
+    if (img_params.ok && img_res == request.GetResolution()) {
+      SetIntrinsics(Stream::LEFT, img_params.in_left);
+      SetIntrinsics(Stream::RIGHT, img_params.in_right);
+      SetExtrinsics(Stream::LEFT, Stream::RIGHT, img_params.ex_right_to_left);
+      VLOG(2) << "Intrinsics left: {" << GetIntrinsics(Stream::LEFT) << "}";
+      VLOG(2) << "Intrinsics right: {" << GetIntrinsics(Stream::RIGHT) << "}";
+      VLOG(2) << "Extrinsics left to right: {"
+              << GetExtrinsics(Stream::LEFT, Stream::RIGHT) << "}";
+      break;
+    }
   }
 }
 
@@ -629,8 +657,4 @@ void Device::CallbackMotionData(const device::MotionData &data) {
   }
 }
 
-Device::img_params_t Device::GetImgParams() {
-  return img_params_;
-}
-
 MYNTEYE_END_NAMESPACE
diff --git a/src/mynteye/device/device_s.cc b/src/mynteye/device/device_s.cc
index e30f3d4..bc62123 100644
--- a/src/mynteye/device/device_s.cc
+++ b/src/mynteye/device/device_s.cc
@@ -19,7 +19,7 @@
 MYNTEYE_BEGIN_NAMESPACE
 
 StandardDevice::StandardDevice(std::shared_ptr<uvc::device> device)
-    : Device(Model::STANDARD, device) {
+    : Device(Model::STANDARD2, device) {
   VLOG(2) << __func__;
 }
 
@@ -27,6 +27,10 @@ StandardDevice::~StandardDevice() {
   VLOG(2) << __func__;
 }
 
+Capabilities StandardDevice::GetKeyStreamCapability() const {
+  return Capabilities::STEREO_COLOR;
+}
+
 std::vector<Stream> StandardDevice::GetKeyStreams() const {
   return {Stream::LEFT, Stream::RIGHT};
 }
diff --git a/src/mynteye/device/device_s.h b/src/mynteye/device/device_s.h
index 3a850e2..ef753a4 100644
--- a/src/mynteye/device/device_s.h
+++ b/src/mynteye/device/device_s.h
@@ -27,6 +27,7 @@ class StandardDevice : public Device {
   explicit StandardDevice(std::shared_ptr<uvc::device> device);
   virtual ~StandardDevice();
 
+  Capabilities GetKeyStreamCapability() const override;
   std::vector<Stream> GetKeyStreams() const override;
 
   void OnStereoStreamUpdate() override;
diff --git a/src/mynteye/device/utils.cc b/src/mynteye/device/utils.cc
index 534249a..5f976eb 100644
--- a/src/mynteye/device/utils.cc
+++ b/src/mynteye/device/utils.cc
@@ -31,14 +31,14 @@ std::shared_ptr<Device> select() {
   Context context;
   auto &&devices = context.devices();
 
-  size_t n = devices.size();
+  std::size_t n = devices.size();
   if (n <= 0) {
     LOG(ERROR) << "No MYNT EYE devices :(";
     return nullptr;
   }
 
   LOG(INFO) << "MYNT EYE devices:";
-  for (size_t i = 0; i < n; i++) {
+  for (std::size_t i = 0; i < n; i++) {
     auto &&device = devices[i];
     LOG(INFO) << "  index: " << i
               << ", name: " << device->GetInfo(Info::DEVICE_NAME)
@@ -51,7 +51,7 @@ std::shared_ptr<Device> select() {
     LOG(INFO) << "Only one MYNT EYE device, select index: 0";
   } else {
     while (true) {
-      size_t i;
+      std::size_t i;
       LOG(INFO) << "There are " << n << " MYNT EYE devices, select index: ";
       std::cin >> i;
       if (i >= n) {
@@ -66,6 +66,42 @@ std::shared_ptr<Device> select() {
   return device;
 }
 
+MYNTEYE_NAMESPACE::StreamRequest select_request(
+    const std::shared_ptr<Device> &device, bool *ok) {
+  auto &&requests = device->GetStreamRequests();
+  std::size_t n = requests.size();
+  if (n <= 0) {
+    LOG(ERROR) << "No MYNT EYE devices :(";
+    *ok = false;
+    return {};
+  }
+
+  LOG(INFO) << "MYNT EYE devices:";
+  for (std::size_t i = 0; i < n; i++) {
+    auto &&request = requests[i];
+    LOG(INFO) << "  index: " << i
+              << ", request: " << request;
+  }
+
+  if (n <= 1) {
+    LOG(INFO) << "Only one stream request, select index: 0";
+    *ok = true;
+    return requests[0];
+  } else {
+    while (true) {
+      std::size_t i;
+      LOG(INFO) << "There are " << n << " stream requests, select index: ";
+      std::cin >> i;
+      if (i >= n) {
+        LOG(WARNING) << "Index out of range :(";
+        continue;
+      }
+      *ok = true;
+      return requests[i];
+    }
+  }
+}
+
 }  // namespace device
 
 namespace utils {
diff --git a/src/mynteye/types.cc b/src/mynteye/types.cc
index ecee3a5..a27601e 100644
--- a/src/mynteye/types.cc
+++ b/src/mynteye/types.cc
@@ -29,6 +29,7 @@ const char *to_string(const Model &value) {
     return "Model::" #X;
   switch (value) {
     CASE(STANDARD)
+    CASE(STANDARD2)
     default:
       CHECK(is_valid(value));
       return "Model::UNKNOWN";
@@ -62,6 +63,7 @@ const char *to_string(const Capabilities &value) {
     return "Capabilities::" #X;
   switch (value) {
     CASE(STEREO)
+    CASE(STEREO_COLOR)
     CASE(COLOR)
     CASE(DEPTH)
     CASE(POINTS)
@@ -109,16 +111,16 @@ const char *to_string(const Option &value) {
     CASE(EXPOSURE_MODE)
     CASE(MAX_GAIN)
     CASE(MAX_EXPOSURE_TIME)
+    CASE(MIN_EXPOSURE_TIME)
     CASE(DESIRED_BRIGHTNESS)
     CASE(IR_CONTROL)
     CASE(HDR_MODE)
-    CASE(ZERO_DRIFT_CALIBRATION)
-    CASE(ERASE_CHIP)
-    CASE(MIN_EXPOSURE_TIME)
     CASE(ACCELEROMETER_RANGE)
     CASE(GYROSCOPE_RANGE)
     CASE(ACCELEROMETER_LOW_PASS_FILTER)
     CASE(GYROSCOPE_LOW_PASS_FILTER)
+    CASE(ZERO_DRIFT_CALIBRATION)
+    CASE(ERASE_CHIP)
     default:
       CHECK(is_valid(value));
       return "Option::UNKNOWN";
@@ -160,6 +162,7 @@ const char *to_string(const Format &value) {
   switch (value) {
     CASE(GREY)
     CASE(YUYV)
+    CASE(BGR888)
     default:
       return "Format::UNKNOWN";
   }
diff --git a/tools/dataset/record.cc b/tools/dataset/record.cc
index 4c4f13d..a771a54 100644
--- a/tools/dataset/record.cc
+++ b/tools/dataset/record.cc
@@ -24,10 +24,13 @@ MYNTEYE_USE_NAMESPACE
 
 int main(int argc, char *argv[]) {
   auto &&api = API::Create(argc, argv);
-  if (!api)
-    return 1;
-  api->InitResolution(Resolution::RES_1280x400);
-  api->SetStreamRequest(Format::BGR888, FrameRate::RATE_30_FPS);
+  if (!api) return 1;
+
+  bool ok;
+  auto &&request = api->SelectStreamRequest(&ok);
+  if (!ok) return 1;
+  api->ConfigStreamRequest(request);
+
   api->LogOptionInfos();
 
   // Enable this will cache the motion datas until you get them.
diff --git a/tools/dataset/record2.cc b/tools/dataset/record2.cc
index 52b1738..99580ea 100644
--- a/tools/dataset/record2.cc
+++ b/tools/dataset/record2.cc
@@ -27,10 +27,13 @@ int main(int argc, char *argv[]) {
   glog_init _(argc, argv);
 
   auto &&device = device::select();
-  if (!device)
-    return 1;
-  device->InitResolution(Resolution::RES_1280x400);
-  device->SetStreamRequest(Format::BGR888, FrameRate::RATE_30_FPS);
+  if (!device) return 1;
+
+  bool ok;
+  auto &&request = device::select_request(device, &ok);
+  if (!ok) return 1;
+  device->ConfigStreamRequest(request);
+
   device->LogOptionInfos();
 
   // Enable this will cache the motion datas until you get them.