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 indicator, assisting the rider during vehicle operation for improved control. Low voltage warning indicator flashes when battery voltage is low. Utilizes five-line digital communication for automatic parameter adjustment, allowing users to customize motor settings, speed parameters, and other configurations based on different models. Instrument offers high interchangeability—different units can be swapped and transfer data parameters directly. Compatible with 36V and 48V power systems. Upgraded with waterproof connectors for reliable performance in varying weather conditions. Color: Black. Material: Composite material. Dimensions: 6 x 8 x 11.5 cm. Package includes: 1 x E-bike Controller Display. No other items included. Note: Lighting and display differences may cause slight color variations between the image and actual product. Measurement tolerance: +/- 1–3 cm.