Features1Applicable Models: This motor controller set is suitable for 250W, 350W motors, please confirm the motor model before use. 2Heat Dissipation Function: The controller housing is made of metal with notch design, which can preserve the internal circuit due to the good heat dissipation function, thus avoiding thermal overload. 3LCD Display: The LCD display can clearly display the status and data, and the backlight can also allow you to clearly see the screen in a dim environment. The buttons are quick to operate and easy to use. 4Easy to Install: This electric bike brushless motor controller is easy to install and use, comes with an LCD display bracket, and fits 22.2mm handlebars. 5Main Uses: This brushless controller kit is suitable for DIY electric bikes, electric vehicles, electric scooters, folding cars, etc, widely used.SpecificationItem Type: Motor Controller KitShell Material: ABS, Aluminum AlloyGross Weight: 373g / 13.2ozController Size: Approx.9.5 x 5.2 x 3cm / 3.7 x 2.0 x 1.2inVoltage: 36V 48V UniversalPackage List1 x Controller1 x Display1 x Manual