Garmin GDB 50 MSN Direct Receiver Compatibility: nvi 680, 750, 755T, 760, 765T, 770, 775T, 850, 855, 880, 885T, 5000; StreetPilot c580; zmo 660 Sends traffic reports, weather, movie times, and gas prices to your compatible Garmin navigator via an FM signal Integrated receiver and cigarette lighter adapter also functions as power cable Includes nine months of MSN Direct service No professional installation required