A. This scooter accessory consists of a speed limiter and a throttle for an electric-assisted scooter. It features a thumb-driven Hall sensor design for acceleration, making it suitable for the general public. With its ingenious design, the thumb-driven operation allows users to control the speed of the scooter more easily and precisely, providing a smoother and more convenient acceleration experience for riders. B. It is lightweight, weighing only 0.04 kilograms. When installed on the scooter, it hardly adds any extra burden and does not affect the scooter's original flexibility. It has dimensions of 63*53 millimeters, being small and delicate. It doesn't take up much space but can perform powerful functions. C. Whether you are a young person seeking speed and excitement or someone who enjoys a leisurely ride, you can use this speed limiter and throttle to make your scooter ride safer, more comfortable, and more interesting. D. It is an ideal accessory option for enhancing the performance of the scooter and optimizing the riding experience.