Features1Circuit Protection: The controller housing is made of metal with recesses. Thanks to the good heat dissipation, it guards the internal circuitry, thus avoiding thermal overload. 2Wide Compatibility: This controller has a wide range of applications. It can be applied to electric bike, electric scooter, electric tricycle and electric motorcycle. 3Panel with Bracket: The round panel comes with bracket, which is easy to install. This bracket is suitable for handlebars with a diameter of 22.5mm. 4Backlight Display: The display screen can clearly display status and data, and the backlight allows you to see the screen clearly in dark environment. 5Button Control: There are buttons on the round panel. You can quickly switch modes with the buttons. Fast and simple operation, easy to use.SpecificationItem Type: Motor Controller KitMaterial: Aluminum alloy, plasticWeight: Approx. 397g/14.00ozRated Power: 350WPackage List1 x Controller1 xPanel 1 x Extension Cord