Power on/off function with automatic shutdown after 5 minutes of inactivity. The four-digit smart power display accurately reflects the battery charge level to the remote. Features high, medium, and low gear settings with gear indicator and torque simulation, plus gear memory function that automatically restores the last used gear upon restart. Pulse function at 6 km/h with flashing light indicator for easy vehicle operation. Low voltage warning indicator flashes when battery voltage is low. Equipped with five-line digital communication for automatic parameter adjustment, allowing users to customize motor settings, speed parameters, and other settings based on different models. The device offers excellent interchangeability—multiple units can be swapped and share data parameters directly. Compatible with 36V and 48V power 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.