Remote Car Battery Disconnect Switch System - kill your car power system with a remote controller now;
Handy easy & simple - this Remote Control Electromagnetic Battery Switch allows you to move the trigger from under the hood to your hand;
Turn on the battery before you start the engine (30-50meters remote distance);
Do not turn off the battery when your engine is working;
This remote battery switch is only for battery on / off, it can't start your engine;
Default off design, if the battery were dead ,the device default to closed condition.