1Sturdy Material: Made of sturdy, high hardness, high quality ABS material, which is not easy to damage, has high performance, strong practicability, and long service life. 2Anti Slip Feel: The thumb press is designed with raised silicone dots, non slip feel, easy to accelerate, you can start with a smooth twist, and it is very easy to use. 3Applicable Models: The throttle dial is specially designed for Ninebot MAX G30 electric scooter. It is original and universal, and the throttle dial is controlled by an electronic for Hall sensor. 4Voltage and Size: The sensor voltage is 5V, and electric scooter thumb accelerato size is Approx. 6.5x8cm/6x1in, line length is Approx. 15cm/9in. 5Easy to Install: Electric scooter throttle is easy to install and disassemble. Easily connect to the scooter and directly replace the old or damaged interface. For Ninebot MAX G30 scooter provides original replacement parts.