Features: Never worry about draining your car battery again with the Automatic Power Cut-Off Switch! This handy- device automatically turns off your car's electronic devices when you leave your car, saving you from having to manually turn everything off and potentially damaging your battery. Ideal- for drivers- who frequently forget to turn off their car accessories or those who want to prolong the life- of their car battery. Perfect for use in parking lots, garages, or any other location where you may need to leave your car unattended for an extended period of time-. With its easy-to-use app and customizable password feature, the Automatic Power Cut-Off Switch is a must-have accessory for any car owner concerned about battery health and convenience. Specifications: Material: Plastic Note: Bluetooth-compatible APP download instructions: Scan the QR-code download switch-on your phone The initial password is 6digits, which can be set and memorized at will If you forget your password, press and hold the button for more than 3 seconds to reset- it Close to automatic startup-, far away automatic shutdown Save remote control loss, avoid parking and forget to turn off the remote control Package includes: 1 Set Car Battery Disconnect Switch Isolator