Package Contents: 1 x Disconnect Knife Blade Switch As Pictured
Mount on negative battery post only
The switch provides a clean, solid, low profile connection to your car, truck, boat or RV battery
The switch makes it simple to disconnect your battery to work on your vehicl.
Prevents accidental connection between two points of different potential and fires when working on electrical systems
It also works great to eliminate battery drain if you're storing a vehicle for an extended period of time,And prevent theft or unauthorized use