High Quality Materials: Remote battery cut off switch is made of pure copper wire, ABS, lead, practical and reliable, impact resistance, good protection, anti-aging, durability and not easy to deform. Car Power Control: Battery cut off switch can remotely control your car's power system. It allows you to cut off the power to the car battery with the remote control, to extend and protect the battery life. Easy to Install: Car battery cut off switch comes with with Battery Clamp, Red Protective Cover, Terminal. Fix the original negative power cable to the relay, fix the relay to the negative terminal of the battery, connect the red cable to the positive terminal of the battery, it is simple to use and install, saving you a lot of time. Widely Used: Battery disconnect switch is suitable for cars, vans, motors, RVs, trailers, ships, and security, wireless controller, etc. Working Voltage: The rated current is 200A DC 12V, comes with 2 remote controls, this product is energy-saving, stable