Battery Disconnect Switch Relay Copper 12V Stable Performance 300A Battery Cut Off Switch Quick Start for Truck for Yacht for Feature:1. Scope of Application: Battery disconnect switch relay is universal for 12V power system, suitable for most automobile, truck, RV, excavator, yacht, etc.2. Main Function: This is car battery disconnect switch helps you to kill 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, making sure safety use.5. Easy to Install: Battery kill switch relay can be installed successfully with a simple operation. Direct replacement for your old or broken one.Specification:Item Type:BatterySolenoid Relay SwitchMaterial: Aluminum Alloy + CopperWorking Voltage: 12VWorking Current: 300AApplication: Automobile, truck, RV, excavator, yacht, etcPackage List:1 x Switch