Durable cut-off switch: Strong stainless steel nuts and washers resist rust and corrosion. Extends the life of your vehicle's battery. Cuts power to racing cars and prevents fire. Safety: The small black isolator with a red removable key won't take up much space in your truck's battery system, yet is perfectly accessible. Keep your vehicle safe with a reliable isolator switch to cut off the power from your battery when not in use. Easy to install: Install it on a recreational boat camper trailer and other batteries you need. Perfectly cut off the power and correct the battery discharge. The rear cover insulates the terminals against any short circuit. Quick and easy battery disconnect helps you. Function: The marine battery disconnector can safely disconnect the battery, to eliminate any power consumption from the battery when the vehicle or boat is not in use. Compact size, modern and stylish appearance, sturdy and durable. Waterproof cover can better protect the key hole. Universal application: This battery switch power cutoff switch is widely applied to sailboats, yachts, pleasure boats, sport utility vehicles, buses, passenger cars, caravans, motorcycles, trucks, etc. Welcome to meet p>