1、Sensitive Control: The electric bike throttle handle provides stable and sensitive speed control, working normally on right handle. 2、Aluminium Shell: The electric bike controller adopts aluminium shell that effectively protects internal circuit and ensures good heat dissipation. 3、Easy Installation: The electric bike throttle grips can be easily installed by simply plugging the controller handle interface into the handle socket. 4、Durable Material: The wire and interface are sturdy and durable, ensuring low failure rate when used for a long time. 5、Widely Compatible: This 24V 500W electric bike controller and throttle handle is suitable for electric bike, electric tricycle, electric scooter. Item Type: Electrical Bicycle Controller Material: Aluminium, Plastic Controller 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: 24V Rated Power: 500W Undervoltage: 20±0.5A Throttle Handle: 1 to 4V 1 x Electrical Bicycle Controller 1 x Throttle Handle(Pair) 1 x Wiring Diagram