Features1SENSITIVE RESPONSE: Electric scooter thumb speed throttle offers stable and responsive speed control that works well on the left or right side of the handlebars and is very flexible. 2EASY TO CONTROL: Thumb speed throttle eliminates the pain associated with prolonged wrist twisting of the grips and you can easily control the speed of your bike. 3 MATERIALS: Scooter accelerator is made of ABS material, which is very durable and IPX5 waterproof to ensure low speed operation in the rain. 4EASY TO INSTALL: Finger speed throttle is easy to install and disassemble, practical, long life and not easy to damage, which could be the best choice for you. 5 FOR YOU: Electric scooter thumb speed throttle is suitable for converting of electric bikes, electric scooters. Feel free to modify as you like, for you.SpecificationItem Type: ElectricScooterThumbSpeedThrottleMaterial: ABS, SiliconeLinearity Definition:Red: PositiveBlack: Negative Green: Signal Blue: On, Off Key Yellow: Control LightPackage List1 xElectricScooterThumbSpeedThrottle