1、Good 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. 2、Scope of Application: The 36V 48V 1500W brushless motor controller is easy to install and use, comes with an LCD display and speed control throttle grip, and fits 25mm handlebars. 3、LCD 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. 4、Sensitive Control of Braking: The 36V 48V 1500W brushless motor controller provides stable speed and sensitive control of braking and directional changes. 5、Voltage Power and Current: Controller box size is about 17x10.5x8cm / 6.7x1x3in. 36V 48V voltage, 1500W power, 50A current limit, 30V 42V low voltage.