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.
Dual working mode switch button integrated for your convenience: 1.ACC working mode,5 minutes off when your car ACC is off; 2. Surveillance working mode, keep working until it detects low battery voltage(11.6V).
Obtaining power from OBD interface only, no interference in other OBD data communication.