Advanced Connectivity: Equipped with Bluetooth 5.0 technology, the WT9011DCL-BT50 supports reliable wireless data transmission up to 50 meters in open space Precise Measurement Tools: Includes a high-accuracy accelerometer, gyroscope, and electronic compass for comprehensive motion and environmental sensing Versatile Applications: Suitable for robotics, navigation, motion tracking, and other projects requiring accurate orientation and movement data Communication method: Bluetooth 5.0, up to 50m range in open space Output frequency: 0.2-200Hz Output content: Three-axis acceleration, angular velocity, magnetic field, angle, quaternion, and port status Working current: 14mA (working), 21mA (broadcast), 14A30A (standby) Charging voltage: 5V Battery voltage: 3.7V Accuracy: XY: 0.2, Z: 1 (after calibration, without magnetic interference) Usage time: Up to 40 hours Battery capacity: 130 mAh Note: Product appearance and printed text may vary slightly between batches, but this does not affect functionality Color: As shown in image Material: Plastic Package Contents: 1 x Bluetooth 5.0 Accelerometer (Other accessories not included) Note: Lighting and display differences may cause slight color variations between image and actual item. Measurement error tolerance: 13 cm