High Quality -- The shell of this scooter controller is made of high-quality aluminum alloy,which is ,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 KQI2 Scooterelectric scooter,perfectly replace the old damaged controller. Color: As Shown Material: Metal Package Contents: 1 x Controller Mainboard 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.