1Simple to install and easy to use. Just install it on the negative terminal of the battery, and then turn the switch can quickly disconnect the battery. 2With this blade switch, you can easily disconnect the power to any vehicle without tools. 3Effectively prevent short circuit and fire when the electrical system is working. 4The knife blade battery switch is used for universal side post batteries or other batteries to isolate and secure the electrical system, eliminate any power draw from the battery when vehicle or boat is not in use, disconnects the battery safely. 5Can minimize battery loss and prevent effective leakage, made of brass, rust ? proof, corrosion ? resistant, durable, safe to use. 6The battery disconnect isolator switch is used for car, vehicle, RV and boat, also electrical equipment's switch.1 x SwitchConditon: 100% New Item Type: Battery Disconnect Switch Material: Brass + Plastic Color: As Pictures Shown Voltage: 12V-24V Installation: Install on the negative terminal of the battery Application: Used for car, vehicle, RV and boat, also electrical equipment's switch, universal for caravan/boats/car etc. 1Simple to install and easy to use. Just install it on the negative terminal of the battery, and then turn the switch can quickly disconnect the battery. 2With this blade switch, you can easily disconnect the power to any vehicle without tools. 3Effectively prevent short circuit and fire when the electrical system is working. 4The knife blade battery switch is used for universal side post batteries or other batteries to isolate and secure the electrical system, eliminate any power draw from the battery when vehicle or boat is not in use, disconnects the battery safely. 5Can minimize battery loss and prevent effective leakage, made of brass, rust ? proof, corrosion ? resistant, durable, safe to use. 6The battery disconnect isolator switch is used for car, vehicle, RV and boat, also electrical equipment's switch.1 x Switch