High Quality -- The shell of this scooter controller is made of high-quality aluminum alloy,which is durable,has a long service life. Good Heat Dissipation -- Have good heat dissipation,avoid thermal overload,the controller circuit board is coated with glue,help waterproof. Easy Install -- The installation is simple and practical,the design is light and compact,easy to carry and use. Suit For -- The controller compatible with for Ninebot MAX G30 electric scooter,perfectly replace the old controller. [Multiple Compatibility]Electric Scooter Motherboard Kit,Along with G30 Max electric scooter, the heat dissipation controller enclosure is also compatible with other electric scooters, motorcycles, and bicycles [Easy Maintenance]Simple Steady Motor Controller,The controller module of the heat dissipation controller enclosure is designed to have easy maintenance. It can be easily replaced or repaired if necessary and is a better alternative to replacing the entire electric scooter. Regular maintenance of the controller module would also ensure the longevity and efficient operation of the electric scooter. Colour:As Shown Material:Metal Size:18x9x8cm Package Contents: 2x MAX G30 motherboard controller 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.