Fuse Tap Not IncludedNote: The installation of the harewire cable requires the connection of the circuit fuse taps. If you need the HK4 with 8pcs full set circuit fuse taps, please check the ASIN B0CHDXPGP1. If you need to buy circuit fuse taps separately, please check the ASIN B08SJZJCV5. 24 Hours Parking SurveillanceWhen the engine is off, HK4 hardwire cable provides continuous power to the camera, any collisions, event will be recorded. Low Voltage ProtectionHK4 hardwire lets you set a voltage cut-off value with 4 options, when the voltage of vehicles battery drops to the cut-off value, it will stop powering your dashcam, thus protecting your battery from discharge. Automatically Switch Parking ModeWith ACC detection, the dash cam will switch to parking mode automatically if the vehicle engine is off. The dash cam will switch into normal recording when the vehicle engine is on. 12 / 24V CompatibleHK4 ACC Hardwire cable connects the camera directly to the car, truck