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. ACC linkage functionAuto shift to parking mode once ignition off thanks to the ACC linkage function, hassle free switch and operate with ACC connection. Compatible 12 24V VehiclesThis hardwire kit connects the camera directly to the car, truck, bus, suvs, or big rig for continuous power, accepts voltage from any type of vehicles runs on 12 24V. Multiple usesType C USB plug is compatible with all Type C dashcams, GPS navigators radar detectors, etc, it always frees up the cigarette lighter for other devices. Please note: It doesn&#3