Sensitive and stable: The controller board adopts advanced circuit board which provides stable and sensitive control for the light, motor, battery etc for the scooter, making sure a safer riding. Circuit Protection: The casing of the controller is made of aluminum alloy material, with good heat dissipation which can protect the inner circuit from overheating and overloading. Waterproof: With glue filing on the electronic part, it owns great water repellency, preventing from short circuit. Easy installation: A user manual is provided for easy replacing the old broken controller, helps to repair your scooter. Compatibly: It is perfectly compatible with MAX G30 Electric Scooter. Type: Electric Scooter Controller board Material:Plastic + Metal colour:Silver+green Package Contents: 1 x Motherboard Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.