Features: 1. Using strong, high hardness, high quality ABS material, not easy to damage, high performance, practicality and long service life. 2. wider and thicker thumb lever, more durable and safer to use, anti-slip and waterproof design, easy to control 3. accelerator is specially designed for electric scooters, suitable for most scooter models 4. accelerator is controlled by electronic Hall sensor, motor is Hall DC drive, sensor voltage is 5V, use the same parameters, port type and voltage are the same can 5. thumb presser designed with raised stripes for easy acceleration, very easy to use Specifications: Item type: Finger throttle booster Material: Material: ABS