1. The product is installed inside the pole, with two wires connecting the instrument line and the communication line, respectively. 2. When the battery charge is close to 100%, the speed reaches 40 km/h. 3. The convenient speed adjustment mode switch allows you to adjust the speed as needed. 4. Weight: approx. 29 g 5. Dimensions: approx. 6 x 2 x 1.2cm
