Features 1. Scope of Application: Battery disconnect switch relay is universal for 12V power system, suitable for most automobiles, trucks, RVs, excavators, yachts, etc. 2. Main Function: This car battery disconnect switch helps you disconnect your car power system conveniently to prevent power drain. 3. High Strength Material: Battery isolator solenoid relay is made of aluminum alloy and copper material, high strength, not easy to crack, long lifespan. 4. Dependable and Safe: This 12V battery switch has been extensively tested, high performance, strong reliability, ensuring safe use. 5. Easy to Install: Battery kill switch relay can be installed successfully with simple operation. Direct replacement for your old or broken unit. Specification Item Type: Battery Solenoid Relay Switch Material: Aluminum Alloy + Copper Working Current: 300A Application: Automobile, truck, RV, excavator, yacht, etc Package List 1 x Switch