Features: 1. Applicable Model: Designed for JN controller and electric bicycle motor kit, compatible with 36V and 48V systems. 2. Fine Workmanship: Durable plastic housing with good toughness and waterproof performance, providing reliable protection for internal circuits. 3. LCD Display: Clear data panel for easy viewing of real-time battery level and power consumption to help estimate riding range. 4. Safe Riding: Displays key parameters including remaining battery, speed, and mileage. 5. Wide Compatibility: Fits handlebars with a diameter of 22.2mm (0.9in), suitable for electric bikes, scooters, and related accessories. Specification: Item Type: LCD GD01 Display Material: Plastic Color: As shown in pictures Weight: Approx. 88g (3.1oz) Interface: 5-pin waterproof connector Handlebar Compatibility: 22.2mm (0.9in) diameter Voltage: 36V or 48V (user-configurable) Dimensions: Display: Approx. 82x48mm (3.2x1.9in); Cable Length: Approx. 20.5cm (8.1in) Application: Compatible with JN controller and electric bike motor kits Functions: 1. Two-way communication protocol 2. Real-time speed display 3. Kilometers/miles toggle 4. Smart battery level indication 5. Headlight control 6. Three-level backlight brightness adjustment 7. Five-level assist control 8. Trip mileage display 9. Fault code display 10. Supports 6km/h walking assist mode 11. Adjustable parameter settings Package List: 1 x LCD GD01 Display