Feature: 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 Note: 1: After installation, when the relay switch is turned on, the battery power consumption will be increased. When leaving the car, the main power supply should be turned off with the remote control in time, so as to avoid power loss due to excessive power consumption and failure to start.2: Since cutting off the power supply of the whole car will cause the alarm, on board computer, etc. to fail to work, please ensure that there is no effect after the power is cut off.3: When driving normally, do not disconnect the relay switch, so as not to increase the voltage of the generator and damage the car electrical appliances.