Features1Good Heat Dissipation: The controller shell is designed with slots, which has good heat dissipation function and can avoid thermal overload. 2Easy To Install and Use: This electric bike brushless motor controller is easy to install and use, with LCD screen stand. 3LCD Display: The LCD display can clearly display status and data, and the backlight allows you to see the screen clearly in dim environments. 4 Materials: Made of ABS and aluminum alloy, it is strong, durable and not easy to damage. 5Applicable Scene: Using sophisticated production technology, suitable for 750W, 1000W motors. Fits 22.2mm handlebars.SpecificationItem Type: Electric Bike Brushless Motor ControllerMaterial: ABS, Aluminum AlloyController Size: Approx. 15 x 8.3 x 4.2cm / 5.9 x 3.3 x 1.7inPackage List1 x Controller1 xLCD Display1 x User Manual