Features1Good Heat Dissipation: The controller housing is made of high quality metal with grooves designed to protect the internal circuitry from thermal overload due to good heat dissipation. 2Easy to Install: The electric bicycle brushless motor controller is easy to install and use, LCD display speed adjustable handle, suitable for 22.5mm handlebars. 3High Sensitivity: Brushless motor controller kit provide steady speed and sensitive control of braking and directional changes. Provide a safer driving experience. 4Stable Performance: Professional manufacturing, craftsmanship and high accuracy help to provide stable performance to meet your various needs. 5LCD Display: LCD display can clearly display status and data, backlight allows you to see the screen clearly in a dim environment, button quick operation, easy to use.SpecificationItem Type: Electric Bike Brushless Controller KitMaterial: Aluminium AlloyWeight: Approx. 1351g / 47.6ozVoltage: 36V 48VPower: 1500WCurrent Limit: 50ALow Voltage:30V 42VPackage List1 x Controller1 x Instrument1 x Instruction