Advanced Connectivity: Equipped with the latest Bluetooth 5.0 technology, the WT9011DCL-BT50 ensures reliable and fast wireless data transmission up to 50 meters Precise Measurement Tools: Features a high-accuracy accelerometer, gyroscope, and electronic compass compatible with comprehensive environmental sensing Versatile Applications: Ideal compatible with uses including robotics, navigation, motion tracking, and more, enhancing project capabilities with precise orientation and motion data Communication method: Bluetooth 5.0, 50m (open space) Output frequency: 0.2-200Hz Output content: three- (acceleration, angular velocity, magnetic field, angle) quaternion, port status Working current: working current: 14mA, broadcast current: 21mA, standby current: 14uA-30uA Charging voltage: 5V Battery voltage: 3.7V Accuracy: XY : 0.2\u00B0, Z : 1\u00B0 (no magnetic field interference after calibration) Usage time: 40 hours Battery capacity: 130 mAh Due to different batches, there may be differences in product appearance and printed text, which not affect use Color:As Shown Material:plastic Package Contents: 1 * Bluetooth 5.0 Accelerometer 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.