LCD Display Device for 5/5.5 Inches Size. This display is compatible only with 36V 12A controller or JIPIN controller. Please confirm the controller model before purchasing. Incompatible controller models may result in throttle malfunction. Display wiring instructions (match wiring by color during installation): Red: + (power supply voltage) Black: - White: Controller switch control line Blue: RXD signal line Yellow: TXD signal line Green: Acceleration signal line NOTE: Instrument voltage setting (24V/36V): Press and hold the middle button for 3 seconds to switch modes. Use the up and down buttons individually to increase or decrease gears. Press both up and down buttons simultaneously to enter the setting interface. Press the middle button to cycle through settings. Adjust parameters using the up and down buttons. Press both up and down buttons together to save settings. Material: Plastic Color: Black The product features a 6-pin connector and is designed exclusively for 6-pin interfaces. Please verify compatibility before ordering. Package Contents: 1 x Scooter Display Note: Lighting effects and screen differences may cause slight color variations between the image and the actual item. Measurement tolerance: +/- 1-3 cm.