Power on/off function with automatic shutdown after 5 minutes of inactivity. The four-bit smart power display accurately reflects the battery's state of charge 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 operation for easier vehicle control. Low voltage warning indicator flashes when battery voltage is low. Utilizes five-line digital communication with self-adjusting parameter functionality, allowing users to customize motor parameters, speed settings, and other configurable options based on different models. The instrument offers high interchangeability, enabling direct replacement between units and seamless data parameter transfer. Compatible with 36V and 48V power supply systems. Upgraded with waterproof connectors for improved weather resistance. 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.