Features1Good Heat Dissipation: The controller shell is made of high quality metal with grooves designed to protect the internal circuitry from thermal overload due to good heat dissipation. 2Scope of Application: The 36V 48V 500W brushless motor controller is easy to install and use, comes with an LCD display and speed control throttle grip, and fits 22.5mm handlebars. 3LCD Display Funtion: The LCD display can clearly display the status and data, the backlight allows you to see the screen clearly in the dim environment. Buttons for quick operation. 4Sensitive Braking Control: The 36V 48V 500W brushless motor controller provides stable speed and sensitive control of braking and directional changes. 5Voltage Power and Current: Controller box size is about 15x8.5x4.5cm / 5.9x3.3x1.8in. 36V 48V voltage, 500W power, 28A current limit, 30V 42V low voltage.SpecificationItem Type:36V48V 500WMotorBrushlessController LCDDisplay Throttle Grip KitMaterial: Aluminum AlloyPower: 500WCurrent Limit: 28AColor: As Pictures ShownWeight: Approx. 1.056kg / 2.3lbController Box Size: Approx.15x8.5x4.5cm / 5.9x3.3x1.8inPackage List1 x Controller2 xThrottle Grip1 xLCD Display1 x Washer2 x Key1 x Manual