Features1Applicability: This controller meter kit is applicable to electric scooters and electric bicycles, and the set is suitable for 22.5mm handlebars and can be well fitted. 2Metal Controller Shell: The controller shell is made of metal with indentation design. Due to its good heat dissipation function, it can give protection to the internal circuit to avoid thermal overload. 3LCD 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 are fast and easy to use. 4Brushless Motor Controller: This brushless motor controller can provide stable speed and sensitive control of braking and direction change, which is highly practical. 5Easy to Install: The set is easy to install and use. The meter socket should be connected to the meter interface of the controller to realize the function.SpecificationItem Type: Electric bicycle controller kitMaterial: Aluminum alloy, ABSWeight: Approx. 943g/33.4ozVoltage: 36V 48VPower: 450WCurrent Limiting: 23ALow Voltage: 30V 42VPackage List1 x Controller2 x Grip1 x Meter1 x Washer2 x Key1 x Instructions