A. This is a kill switch specially designed for mini motorcycles and small sports cars. It is suitable for single-cylinder engines, especially for 49CC small off-road models. B. In terms of design, this kill switch adopts a simple single-wire design with a delicate structure. It can well adapt to the compact space of the vehicle, providing convenience for the overall layout of mini motorcycles and small sports cars. Although it is small in size, it is powerful in function and can accurately control the engine to stop in critical moments, ensuring the safety and convenience of riding. C. In terms of use, it is a key component for mini motorcycles and small sports cars. When encountering an emergency or needing to stop during riding, simply operate this kill switch to quickly stop the engine from running and avoid unnecessary accidents. Whether for daily riding or participating in some small off-road activities, it can provide reliable engine kill protection, making your riding more reassuring.