Features1Sensitive Control: The electric bike throttle handle provides stable and sensitive speed control, working normally on right handle. 2Aluminium Shell: The electric bike controller adopts aluminium shell that effectively protects internal circuit and ensures good heat dissipation. 3Easy Installation: The electric bike throttle grips can be easily installed by simply plugging the controller handle interface into the handle socket. 4Durable Material: The wire and interface are sturdy and durable, ensuring low failure rate when used for a long time. 5Widely Compatible: This 24V 500W electric bike controller and throttle handle is suitable for electric bike, electric tricycle, electric scooter.SpecificationItem Type: Electrical Bicycle ControllerMaterial: Aluminium, PlasticController Size: Approx. 8.5 x 6.7 x 3.8cm / 3.35 x 2.64 x 1.50in ( Manual Measurement, Slight Error May Exist )Rated Voltage: 24VRated Power: 500WUndervoltage: 200.5AThrottle Handle: 1 to 4VPackage List1 xElectricalBicycleController1 x Throttle Handle(Pair)1 x Wiring Diagram