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 Ninebot MAX G30 Electric Scooter.Type: Electric Scooter Controller boardMaterial:Plastic + Metalcolour:Silver+greenPackage Contents:1 x MotherboardOnly the above package content, other products are not included .Note: Light shooting 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.