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_x000D_ Material: Plastic+Metal_x000D_ Current: 300A_x000D_ Voltage: 12V_x000D_ Application: Cars, RVs, Yachts, Vans, Trucks