Special Reminder mounting position Designed to free up your cigarette lighter socket and add a 24 hours continuouspower to your dash camera via OBD connection, enable your dash cameraworking on even when you are notin the car. Protect against battery dying, switch button integrated for your convenience,dual working mode option for your car and dash cam.Obtaining power from ODB interface only, no interference in other OBD datacommunication. Mode conversion [MODE Switching ) When switching between [mode 1] and [mode 2]the OBD adapter must be unplugged and reinserted once, otherwise the mode switching will not working. Product Applications Spec: ACC mode Input: 11.6V-35V Output: 5V/2.5A Surveillance mode Input: 11.6V-35V Output: 5V/2.5A Extension cable: 3.5meter(11.5 ft) length