Voltage: 24V/36V/48V Plug: Waterproof plug Color: Black Material: Plastic Overview of User Settings The user setting items of J-LCD include: set the local time, set the maximum speed, metric/imperial unit selection (Km/H, Mile and Km), wheel diameter selection (18-28 inch), and LCD backlight brightness selection. Normal Display Area The contents displayed by J-LCD include: power display, time display, motor power rate ratio display, riding speed display, riding mileage display, 6Km/h power assist push display, and electronic control system fault code display. Button Definition J-LCD is matched with a dedicated combination button. The combination button can be installed on the left or right side of the handlebar. Note: - The product must be used with a compatible controller that supports the required protocol. - When error code 30 appears, it indicates a communication failure due to incompatibility with the controller. A protocol-matching controller is required. Package Contents: 1 x J-LCD Display (Other products are not included) Note: Light reflection and different displays may cause slight color variations between the image and the actual item. Measurement error allowed is +/- 1-3 cm.