Features: _x000D_ 1.This is a More Convenient Car Battery Disconnect Switch System that can remotely master kill your car power system,A Proper maintenance will extend and protect the battery and engine life _x000D_ 2.Remote operation,Comparing to tranditional battery switch, this Remote Control Wireless Battery Switch Disconnect allows you to move the trigger from under the hood to your hand so that you no need to frequently pick up the hood. _x000D_ 3.Come with One 300 Feet New Style Remote Control.You can even control it in your house,One button control on your dash for the whole car power system, Remote Receiver Standby Current is very low (0.003A),Universal for DC 12V Camper Trailer SUV Van Small Truck Agricultural Vehicle Trike Auto Off Road.(Battery Negative Column within 15-17mm) _x000D_ 4.Integrated design, small size, avoid cumbersome wiring, convenient installation _x000D_ _x000D_ Description _x000D_ Working voltage: 12V _x000D_ Working current: 200A Silver Contact _x000D_ Instantaneous current: 1000A _x000D_ _x000D_ Fitment _x000D_ Suitable for any 12V vehicle with displacement less than 4.0(Battery Negative Column within 15-17mm) _x000D_ _x000D_ Installation Steps _x000D_ 1.Remove the negative power line of the original vehicle _x000D_ 2.Fix the original vehicle negative power line to the unit _x000D_ 3.Fix the unit to the negative pole of the battery _x000D_ 4.Connect the red wire to the positive pole of battery black wire to the negative pole of battery _x000D_ Installation Warning: _x000D_ Do not connect the positive and negative poles in reverse, or the motherboard may be burned _x000D_ _x000D_ Package Included: _x000D_ _x000D_ _x000D_ 1 Pcs remote control _x000D_ _x000D_ _x000D_ Or 1 Pcs Car Battery Isolator and 1 Pcs remote control _x000D_ _x000D_ _x000D_ _x000D_ Or 1 Pcs Car Battery Isolator and 2 Pcs remote control _x000D_ _x000D_ _x000D_ _x000D_ _x000D_