Plug the Garmin Constant Power Cable into your vehicle’s OBD-II port for constant power to your compatible Garmin Dash Cam, even when the vehicle is parked and turned off. Compatible with most passenger vehicles and not compatible with commercial vehicles with a J1939 connector. It is compatible with 10 Dash Cam models, including the Dash Cam Tandem, Mini, and Mini 2. The cable is available in a Black finish.