Product Details:

1.Input Voltage:  5V. 2. Speed Adjusting Voltage:  0.8-4.2V. 3.Functions: Speed Throttle, Reverse Forward, Mid Speed, Low Speed, High Speed Control Button. 4. Wire Length: 140mm about. 5. Tube Dia: 22mm (20-23mm) 6. Handlebar Twist Length: 12cm. 7.Usage: Scooter, Tricycle, E-car, Motorcycle, Kart and more Wire Diagram: Throttle: Red +5V , Black GND, White throttle signal. 3speed: Green, Yellow, White Reverse: Balck, Orange