Low voltage protectionIt has a smart low voltage protection system that will automatically shut off the power to your dash cam when the battery voltage drops below your set value(11.6V/11.9V/12.2V/12.5V/23.6V/23.9V/24.2V/24.5V option available), thus preventing it draining the battery. [Timer setting] Custom timer setting (1, 3, 6, 12, 24 hours or always recording) available for continue recording/receiving power after you parked your car.