Suitable for G30 Max electric scooter. WATERPROOF: The digital display meter has a waterproof plug, and the control board has an adhesive to improve waterproof. GOOD HEAT DISSIPATION: The controller is made of aluminum alloy, which protects the internal circuitry and has good heat dissipation performance to avoid thermal overload, bringing you a riding experience. EASY INSTALLATION: Easy to install and disassemble, even if you are a novice, no need any professional requirements, easy to install and use. PERFECT REPLACEMENT: for repairing and replacing MAX G30 electric scooter controller module parts. Perfect replacement for damaged old controllers to extend the life of your car. Colour:As Shown Material:Metal Size:10x6.5x3cm Package Contents: 1 x Controller circuit board Only the above package content, other products are not included. Note: Light reflection 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.