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: A. The product needs to match the controller of the protocol. B. When error code 30 is displayed, it indicates a communication failure due to mismatch with the controller; ensure the correct protocol-matching controller is used. Package Contents: 1 x J-LCD Display Only the above package content is included; other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture to differ slightly from the actual product. Measurement error allowance is +/- 1-3 cm.