A. This is an emergency stop double-kill switch suitable for motorcycle accessories and all-terrain vehicles (ATVs). It has a practical design and can provide protection for riders in critical moments. It has a wide range of applications, covering vehicles from 49cc to 250cc. No matter what kind of powered motorcycle or ATV you are driving, it can be adapted. B. This switch comes in two specifications: socket type and iron plate type. Different specifications can meet diverse installation needs, and users can flexibly combine them according to the actual situation of the vehicle. C. It is quite popular in regions such as Africa, Europe, South America, Southeast Asia, North America, Northeast Asia, and the Middle East, which is sufficient to prove that its quality and practicality have been widely recognized. D. Its considerate design and reliable performance make riders feel more at ease when driving. It is a practical and indispensable accessory for motorcycles and all-terrain vehicles.