Throttle Control Set 8PIn plug,Suit for Electric Throttle,Motorcycle,Scooter. come with 3 speed Gear Switching with larger LCD display,more information This turntable is a Hall speed measurement, compatible with any of controller, regardless of sine wave or square wave By turning the real-time voltage value can accurately determine the amount of the remaining amount of electricity. support 36V or 48V,or 60V M :When power is on: 1. Short press the M key to switch between single mileage, total mileage and voltage. Built-in three gears: short press the M key to switch to the gears, and long press the M key to switch to display the single mileage, total mileage, and voltage interface. Fits all Electric Scooter wist E-Bike with 7 or 8 inch 22MM application. How to choose between cruise model, key model, power switch model and built-in three-speed model Answer: The key model and the switch model are both compatible. If you have a remote control or battery and a key, you can choose the button model! For cruise models, the car controller must have a cruise function. The built-in third gear must be equipped with the factory third gear function. Colour:As Shown Material:Plastic and Metal Package Contents: 1pair x Bicycle handlebar with display Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is 1-3cm.