Battery Doctor 20138 Battery Disconnect Switch for Top Post Terminal, 12v Battery Kill Switch

Battery Doctor. The easy way to disconnect electrical power on any vehicle, without tools. Simply lift the knife; power is cut. Prevents shorts and fires when working on electrical systems; discourages theft; eliminates battery drain on idle batteries. California Prop 65 - Warning, This product contains chemicals known to the State of California to cause cancer, birth defects or other reproductive harm.