1. Power on/off function of power supply; it will turn off automatically after 5 minutes; 2. The four-bit display provides an accurate representation of the battery's state of charge to the remote; 3. High, medium, and low gear switch with gear indicator and torque simulation, featuring Gear Memory Function that automatically restores the last used gear setting upon restart; 4. Pulse function at 6 km/h, with flashing light during impulse, usable while driving and improves ride ease; 5. Low voltage indication function: when the battery voltage is low, the indicator flashes; Supports five-line digital communication with automatic parameter self-adjustment; users can customize settings such as motor parameters and speed parameters according to different models; The instrument offers high interchangeabilitydifferent units can be swapped directly and transfer data parameters; Optional power supply voltages: 24V, 36V, and 48V; Size: 6 x 8 x 11.5 cm; Material: Mixed Material; Color: Black; Package Contents: 1 x Ebike Controller Display; Only the above items are included; other products are not included; Note: Lighting and display differences may cause slight color variations between the image and the actual item. Measurement error allowance: +/- 1-3 cm.