1、Application: The controller kit is suitable for electric scooters and electric bicycles, and is suitable for 22.5mm handlebars. The kit is also easy to install and use. 2、Good Heat Dissipation: The controller shell is made of premium metal with indentation design. Its good heat dissipation function can give protection to the internal circuit to avoid thermal overload. 3、Multi Data Display: The meter can display single running mileage, real time speed, battery power and voltage, low power reminder, gear indication total mileage, fault, etc. 4、Sensitive Control: The brushless motor controller can provide stable speed and sensitive control of braking and direction change. which has high performance. 5、LCD Display Screen: The LCD display can clearly display the status and data. The backlight allows you to clearly see the screen in a dim environment. The button operation is fast and easy to use. Item Type: Electric bicycle controller kit Material: Aluminum alloy, ABS Weight: Approx. 921g/32.5oz Voltage: 36V 48V Power: 450W Current Limiting: 23A Low Voltage: 30V 42V 1 x Controller 1 x Meter Thumb Throttle 1 x Grip 2 x Key 1 x Instructions