1. ON/OFF power function; automatically shuts down after 5 minutes of standby; 2. Four-bit intelligent power display accurately reflects battery charge level and estimated riding range; 3. High, medium, and low gear settings with imitation torque boost, gear indicator, and gear memory function; automatically restores last gear setting upon power-up; 4. 6 km/h boost function with blinking boost indicator; usable during operation to assist with easier vehicle driving; 5. Under-voltage warning function; under-voltage indicator flashes when battery voltage is low; 6. Five-line digital communication system with self-setting capability; allows user adjustment of motor parameters, velocity settings, and speed parameters according to different models; 7. High interchangeability; compatible instruments can be swapped directly with automatic data parameter transfer; 8. Compatible with 24V, 36V, and 48V power supply options; Color: Black Material: Plastic Package Contents: 1 x Display Note: Other items not included. Slight color variations may occur due to lighting and display differences. Measurement error allowed: +/- 1-3 cm.