* Bluetooth BLE4.0 protocol
* The Screen shows the mode, speed, battery status, mileage status, bluetooth connection status and light state
* Switch machine, mode conversion, bluetooth reset, light control, range switching and cruise control can be carried out through the screen button and the dial
* By APP can operate: bluetooth password input connection chart, check the speed, total mileage, single mileage, state power, the mode switch, standby, view map path, modify the bluetooth name, modify the wireless password, cruise control, GongYing switch, setting the maximum velocity, dynamic strength, self-checking
* Have waterproof function, connect with the controller through waterproof plug, easy to install and disassemble