Input:DC 11.6V-36V, Output:DC 5V/3A; Extension cable length: 3.5meter(11.5 ft). Type C USB interface port 3.5m car recorder C charger power cable, input port: for all vehicles with OBD port (cars, trucks, ships, ferries, etc.); output connection: for C port devices such as car recorder, GPS navigator, mobile phone charging, DVR, radar detector. Press the Red Button Switch to "Mode-": At this mode your dash cam will keep recreding 24 HOURS No Matter Your Carn or OFF. Suitable for Parking Monitor; P Resin Button Switch to "Mode o": This is ACC MODE. At this mode your dash carera will turn on/ off when your car turn on/ off. Low Voltage Protecting: OBD2 dash cam power cable which has a built-in intelligent program control chip. (Electric vehicles are not suitable, electric vehicles voltage is not changed)Accurately detect the car battery voltage, constant12V/24V voltage to 5v. When the battery voltage is lower than 11.6V, will stops working to prevent the battery from wasting power. Designed to free up your cigarette lighter socket and supply a 24 hours continuous power to your dash camera via OBD connection, enable your dashcam to keep working on after you have parked the car.