Features124V 800W Brushed Motor Controller: Electric bicycles modified brushed motor controller can provide stable speed and sensitive control of braking and direction change. 2Digital Power Display Throttle Grip: Electric bicycles twist throttle handle has cruise function and digital power display, which is intuitive and convenient, and can accurately determine the residual power. 3Heat Dissipation Controller Housing: The controller housing is made of aluminum alloy, which has heat dissipation and avoids thermal overload, can provide protection for the internal circuit. 4Universal Battery Applicable: Twist throttle handle is suitable for lithium battery, water battery, dry battery and other batteries. Applicable voltage is 12V to 99V. 5Bicycle Modified Kits: Brushed motor controller and twist throttle handle set is suiable for modification of electric bicycles, scooters, tricycles and other electric bikes.SpecificationItem Type: Bike Motor Controller KitMaterial: Aluminium Alloy, Rubber, ABSGross Weight: 614g / 21.7ozController Type: Brushed controllerController Rated Power: 800WPackage List1 x Controller2 x Twist Throttle Handle2 x Key5 x Wire Plug Sleeve10 x Accessory