A. This is an accessory specifically designed for scooters, suitable for various types of people. It is the rear fender brake taillight of the scooter, integrating multiple functions such as mud protection, brake indication, and night warning. B. In terms of design, its specifications are 48*5.5*3.5, and the overall weight is only 24.5 grams. This lightweight design does not add too much burden to the scooter and can perfectly fit the scooter without affecting its original controllability and flexibility. C. From a usage perspective, the rear fender can effectively block the mud and dust splashed during riding, keeping the scooter body and the rider clean. The brake taillight can promptly emit a warning signal when braking, reminding people behind to pay attention, which greatly improves the safety of riding. Especially at night, its warning light function is more important. It can clearly show the position and driving status of the scooter in a dimly lit environment, making riding safer and more reliable. D. This accessory uses a 5V voltage, which is stable and energy - saving, providing support for your riding. Whether for daily commuting or leisure entertainment, it is a practical choice for scooters.