Durable MaterialThe battery isolation switch has a modern and fashionable appearance, made of high quality ABS + metal, making it ideal for marine applications, the removable rear cover insulates the rear terminals against any short circuit. Heavy dutyBattery main switch, heavy duty rated 300 amps intermittent, 2 positions: ON and OFF, 200 amps continuous at max. 32V DC, to isolate and secure the electrical system. Excellent FunctionThe boat battery disconnect switch can safely disconnect the battery, to eliminate any power consumption from the battery when the vehicle or boat is not in use. Compact size, stylish modern appearance, sturdy and durable. The waterproof cover can better protect the key hole. Universal UseThis car battery switch is widely used for sailboats, yachts, boats, SUVs, buses, passenger cars, caravans, motorcycles , trucks and so on.