General description This 12V 24V Battery Terminal Car Battery Cut Off Kill Switch Isolator is a must-have for protecting your vehicle's electrical system. It is designed to handle 12V with a continuous current of up to 125A and a momentary current of 500A, making it suitable for a wide range of applications including cars, boats, trucks, RVs, and other electrical equipment. Technical specifications Voltage: 12V Continuous current: 125A Momentary current: 500A Material: Copper-plated zinc alloy Installation Fits the slightly smaller negative terminal of all standard-sized automotive batteries. Easy to install and simple to use. Usage To turn on the power, tighten the black knob. To disconnect all power, slightly loosen the black knob. Other information Rust and corrosion resistant, extending the life of your vehicle's battery.