Check the listing for details. 12V Car Remote Battery Disconnect Smart Voltage Kill Switch Automatic Power Off. Color: Blue, Condition: New. Listed at 33.75 USD. This kill switch for car adopts the negative link method, easy to install, more stable performance.Just follow the included instructions to install. NOTE: be sure to turn of Features: 1.LOW POWER CONSUMPTION & GOOD STABILITY。 2.SMART VOLTAGE SAFET KILL SWITCH 3.PROTECT AND EXTEND BATTERY LIFE APPLICATION AND PRECAUTIONS：This kill switch Suit for most 12V car, boat, rv, trailer, trucks, ATV, UTV, motorcycle, vehicles with displacement less than 4.0; Negative pole: 9-13 mm and 15-17mm, not fit for small pile head vehicles； MAGNETIC LATCHING FUNCTION：This kill switch for car uses a new type of relay that controls circuit disconnection by magnetic principle, with a standby current of 3mA, which is more energy-saving.