OBD2 dash cam power cord provides 24-hour continuous power supply and steadily reduces the voltage from DC12-36V to 5V/3A, allowing your dash cam to continue working after parking | Plug and play, do not destroy the original car circuit. This charging cable can be directly inserted into the OBD2 port of the car. Use a USB socket to charge the device. Only obtain power from the ODB interface and do not interfere with other ODB data communication | Dual working mode; Mode "O", ACC mode: Mode "O" ACC mode - When the car is ignited, the power cord begins to output power; After the car is turned off for 20 minutes, the power cord will automatically stop supplying power and turn off the output. Mode "-"; Monitor the working mode, with the power cord continuously supplying power for 24 hours, and maintain operation until low battery voltage (11.6V) is detected | OBD2 dash cam power cable is equipped with an intelligent program control chip, which automatically detects battery voltage and provides low voltage protection. When the battery voltage drops below 11.6V, the power output is automatically cut off to ensure normal vehicle startup | Type C USB interface port 3.5m dash cam Type C charger power cord, input port: suitable for all vehicles with OBD port (cars, trucks, ships, ferries, etc.); Output port: designed for Type C port devices such as car recorders, GPS navigators, mobile phone charging, DVRs, radar detectors