Sensitive and stable: The controller board features advanced circuitry that provides reliable and responsive control for the scooter's light, motor, and battery, ensuring a safer riding experience. Circuit protection: The controller housing is constructed from aluminum alloy, offering efficient heat dissipation and protecting the internal circuitry from overheating and overloading. Waterproof design: Electronic components are sealed with waterproof glue, providing excellent water resistance and helping prevent short circuits. Easy installation: Includes a user manual to guide simple replacement of the old or damaged controller, aiding in scooter repair. Compatibility: Designed specifically for compatibility with the Ninebot MAX G30 Electric Scooter. Type: Electric Scooter Controller Board Material: Plastic + Metal Color: Silver + Green Package Contents: 1 x Motherboard Note: Only the items listed above are included. Other accessories are not part of the package. Note: Lighting conditions and monitor settings may cause slight variations in color between the image and the actual product. Measurement may vary by up to +/- 1-3 cm.