12/24V Car Battery Cut-Off Switch, 500A Emergency Isolator Switch for Cars, Boats and Trucks

Easy to use: once the car is off, simply remove the detachable red key to disconnect the battery. The next time you use the car, you can start it after installing the red key. Easy to install: install the battery switch in a hidden location near the battery. One bolt connects to the positive terminal of the battery, and the other bolt connects to the vehicle's live wire. Widely used: this product is suitable for professional racing cars and is now widely used in a variety of vehicles, including motorcycles, cars, boats, and vans.