Features: 1.12V battery switch, switch of yacht, car, train is very suitable for your boat, caravan, RV, 4x4, performance car, trailer, winch power cord, etc. 2.Easy to install, it can be used independently or locked together with other switches to isolate and protect the electrical system of the 12V to 50V system with higher tolerance. 3.Three removable side panels provide up to 1/0 cable access. The rear cover insulated rear terminal to prevent any short circuit to meet ABYC requirements, 2 mounting screw hole (diameter 10mm/0.39in). 4.Switch to the counterclockwise 45 position to remove the control knob. This control knob has an interchangeable labeling system, allowing a full range of applications. 5.The engine must be stopped before selecting shutdown. This is to protect the alternator. When the vehicle or boat is not in use, safely disconnect the battery to eliminate battery consumption. Specification: Item Type: Battery Disconnect Switch_x000D_ Material: ABS_x000D_ Voltage: 12V_x000D_ Continuous Current: 200A_x000D_ Dielectric Strength: 1500VAC / 1min_x000D_ Application Range: Yacht, Car, Train PackageList: 1 x_x000D_ _x000D_ Battery Disconnect Switch 4 x Screw 4 x Nut