Use that extra remote control channel (just one momentary switch) to shut off the battery from outside the car. Push it once and the battery is connected. Push it again and the battery feed is disconnected. Includes our auxiliary "hot" feed to the clock or computer or other items requiring power for memory. The solenoid is rated 110 amps continuous duty and 750 amps surge. Hardware, wire, connectors and detailed instructions included. There is no electricity used when this unit is ON or OFF, only while switching. Remote not included.