Warm Tips: Please make sure your dash cam supports parking mode. We suggest you test the hardwire kit before using it. When connecting the hardwire kit, please make sure that the engine is off. If you are unsure of the circuit system we advise that you hire a professional to do it. Compatibility: This hardwire kit is compatible with most dash cams or other device on the market. We still recommend that you inquire if your device is compatible with it before purchg!. Easy Installation: The Hardwire Kit is 3.5 meters. Simple hidden wiring keeps the car neat and tidy and releases the cigarette lighter for connecting to more devices. Suitable for most Dash Cam GPS, and Mirror cam(Mini USB Interface). Compatible 12V–24V Vehicles: The hardwire kit connects the dash camera directly to the car, truck, SUVs, etc., for continuous power, and accepts voltage from any type of vehicle that runs on 12V–24V. Low Voltage Protection: Comes with a sensitive voltage sensing switch, which will monitor the car battery voltage in real time. Once the voltage is lower than 11.7V or 23.7V, it will cut the power supply, leaving enough power to ignite the engine. Upgraded Version Dash Cam Hardwire Kit: The hardwire kit is the 15A Mini-type fuse. Attach the red cable to ACC, the yellow cable to BATT, and the black cable to GND(the vehicle's metal part). Please make sure your car's fuse type is matched. 24-hour Surveillance: The vehicle hard-wires kit connected to a car battery or fuse box power, can uninterruptedly supply power for the dash camera for 24 hours. It can even supply power when the car is turned off(Please make sure your dash cam supports parking mode).