Features： 1、Long Range: Remote car battery disconnect switch system, kill your car power system with remote control, 160ft/48.78m control distance. 2、Convenient and Simple: This remote electromagnetic battery switch lets you move the trigger from under the hood to your hand. 3、Working Voltage: 12V remote power off switch, working voltage range 11‑15V, suitable for most cars, small trucks, agricultural vehicles, etc. 4、Low Power Consumption: The switch consumes 5 mA when it is in standby, and consumes about 3W when the switch is working, which is more energy efficient than new cars. 5、Stable Performance: External antenna makes the signal farther and stronger. Only for battery on/off, it can't start your engine. Default off design. Specification： Item Type: Remote battery disconnect switch Material: ABS, copper, silver Battery Model: CR2016 x 1 (built in) Battery Capacity: 75mAh Working Voltage: DC11-15V Rated Current: 120A-200A Starting Current: 200A-360A (less than ten seconds) Standby Current: 0.005A Switch Size: Approx. 45 x 45 x 45mm/1.77 x 1.77 x 1.77in Package List： 2 x Remote Control 1 x Main Power Switch 1 x Copper Terminal 2 x Battery Clip 1 x Copper Adapter