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Features：
1. ON/OFF function of power supply, it will automatically shut down after standby for 5 minutes;
2. Four-bit intelligent power display can be a true reflection of the state of battery charge to guarantee the riding distance;
3. High, middle and low gears of imitation torque boost of switch gears and gear indicator display, with gear memory function, power on can automatically recover the gear state during power off;
4. Under-voltage indication function, when the battery is in under-voltage, the under-voltage indicator flashes;
5. The adoption of five- line of digital communication is with a self-setting function of versatile parameters, users can adjust the settings such as motor parameters, velocity parameters, speed parameter according to different models;
6. The instrument is with good interchangeability, and different instruments can directly exchange with each other and copy the data parameters;
7. The optional power supply voltage is 24V, 36V and 48V;
8. Black housing
9. Dimensions：
