# All available topics > The names of the following topics already express their functions. > However, it should be noted that the corresponding `[ir|right_ir|left_ir|depth|color]/[image_raw|camera_info|metadata]` > topics are only available when `enable[ir|right_ir|left_ir|depth|color]` is set to true in the stream corresponding to the startup file parameters. - `/camera/color/camera_info` : The color camera info. - `/camera/color/image_raw`: The color stream image. - `/camera/color/metadata`: The color stream firmware data. - `/camera/depth/camera_info`: The depth camera info. - `/camera/depth/image_raw`: The depth stream image. - `/camera/depth/metadata`:The depth stream firmware data. - `/camera/depth/points` : The point cloud, only available when `enable_point_cloud` is `true`. - `/camera/depth_registered/points`: The colored point cloud, only available when `enable_colored_point_cloud` is `true`. - `/camera/depth_filter_status`: The depth sensor filter status. - `/camera/ir/camera_info`: The IR camera info. - `/camera/ir/image_raw`: The IR stream image. - `/camera/ir/metadata`: The IR stream firmware data. - `/camera/accel/sample`: Acceleration data stream `enable_sync_output_accel_gyro`turned off,`enable_accel`turned on - `/camera/gyro/sample`: Gyroscope data stream,enable_sync_output_accel_gyro `turned off,`enable_gyro`turned on - `camera/gyro_accel/sample`: Synchronized data stream of acceleration and gyroscope,`enable_sync_output_accel_gyro` turned on - `/diagnostics`: The diagnostic information of the camera, Currently, the diagnostic information only includes the temperature of the camera.