Features1Good Heat Dissipation: The controller shell is made of aluminum alloy with slots, good heat dissipation function, which can preserve the internal circuit and avoid thermal overload. 2LCD Display: The LCD display can clearly display the status and data, the backlight allows you to see the screen clearly in the dim environment, and the buttons are quick to operate and easy to use. 3Ease of Use: The electric bike brushless motor controller is easy to install and use, comes with an LCD screen holder, and fits 22.2mm handlebars. 4Wide Application: This E bike brushless motor speed controller kit is suitable for electric bikes, cars, scooters. 5Scope of Application: Electric bike scooter brushless controller kit is suitable for 36V/48V 500W motor.SpecificationItem Type: Electric Bike Brushless Motor Controller KitMaterial: ABS,Aluminum AlloyController Size:Approx. 12 x 5.5 x 3cm / 4.7 x 2.2 x 1.2inPackage List1 xMotorBrushlessController1 x Monitor1 x User Manual