Features 1.Purpose: Battery disconnect switch can be used to isolate and protect electrical systems in DC 12‑24V systems, and can be used alone or locked with other switches. 2.Function: The battery isolation switch can eliminate any power consumption of the battery when the vehicle or boat is not in use and disconnect the battery safely. 3.Application: The battery isolator switch is very suitable for cars, RVs, yachts, vans, trucks, etc. Professional and high reliability. 4.Rotary Knob: Simple operation, you can just use the rotary knob to disconnect and reconnect the battery. 5.High Quality: Exquisite and careful workmanship, battery cut off switch has high precision and stable performance. Specification Item Type: Battery Disconnect Switch Material: Plastic+Metal Current: 300A Voltage: 12V Application: Cars, RVs, Yachts, Vans, Trucks Package List 1 x Battery Disconnect Switch 5 x Accessories 2 x Screw