Material: This electric for bicycle LED display is made of plastic which is durable, sturdy and not easy to be damaged. Displaying: By using the speed control panel can display the driving speed and the for bicycle power. Spare part: The electric bike controller part can be used as a replacing part to repair the old or broken accessory. Easy installation: The scooter controller cycling replacing part is lightweight and you can install on the bike easily. Wide usage: The repairing accessory has wide application so that can be used in most kinds of electric bike and scooter. Specification: Line color definition: A Red: Positive power. Black: Negative power. Blue: Controller electric door lock. Green: Gear signal. Line color definition: B/C Red: Positive power. Black: Negative power. Blue: Controller electric door lock. Green: Gear signal. Yellow: Light positive. White: Lamp negative. Material: ABS. Color: Black. Voltage: 24V/36V/48V. Size: Approx. 8.1x4.3x4.7cm/3.18x1.69x1.85inch. Note: There might be a few color distortions due to different resolutions. There might be a slight error due to different hand measurements. Package Includes: 1 Piece Electric for Bicycle LED Display.