Power on/off function with automatic shutdown after 5 minutes of inactivity. The four-bit smart power display accurately reflects the battery charge level to the remote. Features high, medium, and low gear settings with gear indicator and torque assist simulation, including gear memory function that automatically restores the last used gear upon restart. Pulse function activates at 6 km/h with flashing light indication during impulse, assisting riders during operation for easier vehicle control. Low voltage warning indicator flashes when battery voltage is low. Utilizes five-line digital communication with self-adjusting parameter capabilities, allowing users to customize motor parameters, speed settings, and other configurable options based on different models. Instrument supports 36V and 48V power supply systems. Designed with upgraded waterproof connectors for reliable performance in varying weather conditions. High interchangeability allows direct replacement between compatible units with seamless data parameter transfer. Color: Black. Material: Composite material. Dimensions: 6 x 8 x 11.5 cm. Package includes: 1 x E-bike controller display. Note: Lighting and display differences may cause slight color variations between image and actual product. Measurement tolerance: +/- 1-3 cm.