Feature:1. Waterproof and Durable: Plastic shell with fine workmanship, the LED display panel has good toughness and waterproof performance, provide better protection for the internal circuit and make it more durable.2. Battery Level Display: Compatible with 36V and 48V voltage, intelligent power display, true battery power display, real time recording power consumption, to ensure riding mileage.3. Gear Setting: There is high, medium and low gear modes, analog thrust for switching gears and gear indication display. With gear memory function, the gear state can be restored automatically when the power is turned on.4. Custom Parameters: The LED display meter adopts five wire digital communication and has multi function custom parameters. Users can customize settings according to different models, such as motor parameters, speed parameters, and speed parameters.5. Widely Used: This LED display panel has sensitive buttons and is easy to operate. It is a perfect accessory for electric bicycles, scooters, etc., suitable for 22.2mm / 0.9in diameter handlebars.How to Use:Wiring Instructions:1. Wiring instructions for the connection end of the controller:Red: Power cord for LED display panelBlue: Power control line for the controllerBlack: Ground wire for LED display panelGreen: Data receiving line for LED display panelYellow: Data transmission line for LED display panel2. Expand Headlight Function: Brown Wire: Headlight po