This product is a 10-axis IMU sensor, integrated with an ARM 32-bit DSP processor, BLE 5.3 Bluetooth, high-precision accelerometer, gyroscope, magnetometer, and temperature & pressure sensor. Adopts self-developed attitude estimation algorithm, offering strong real-time performance and high precision, stable, and drift-free operation. Supports UART and BLE 5.3 Bluetooth communication to assist motion attitude and orientation detection of robot. Supports using with Bluetooth devices with for Android, for iOS, Windows, and Linux systems. The printing/appearance may vary from batch to batch, but it will not affect the use; the actual product may have color difference due to different light or display. Colour:Black Material:PCB+Plastic Package Contents: 1 x 10-axis ROS IMU Sensor Modules 1 x housing 1 x connecting wire 1 x screwdriver(The screwdriver color is random, no specified color is accepted) 1 x screw bag(The screw color is random, no specified color is accepted) Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.