Enhanced Safety - To keep your vehicle and electrical systems safe, our 12v battery disconnect switch comes with a key for easy and safe battery disconnection, eliminating the risk of accidental electric shock. /p> Durable and Waterproof Material - Our battery disconnect switch constructed with heavy-duty brass nuts/washers and waterproof ABS plastic housing, safely disconnects your car battery even in harsh conditions. p> Easy Operation - This 12v isolator switch with simple installation process, allowing you to quickly and easily install it on the battery box, cut off the power and repair the battery discharge. battery. (Recommended for mounting on the negative battery terminal.) Efficient Battery Master Switch - Use the on/off switch to quickly disconnect and reconnect the battery. The included waterproof cover protects the keyhole well from dust and water droplets. Versatile Compatibility - The isolator switch designed to work with 12V and 24V systems, is suitable for all