Brand new comes with USB cable and unstruction booklet and a easy map CD to download. Sell for $375.00 FIRM All other marine handheld GPS units pale when compared to the GPSMAP 76C and GPSMAP 76CSliterally. The latest color-display technology gives both units the brightest, sunlight-readable displays available. And with brand-new state-of-the-art receivers and powerful microprocessors, these units will give you a quick and steady fix. Both the GPSMAP 76C and GPSMAP 76CS have the familiar GPS 76-family keypads and styling, with 115 MB of memory, an Americas Autoroute basemap, and a Marine Point database. Fast USB connectivity makes loading charts and maps quick and easy, while navigation instructions can be shared with repeaters, plotters, and autopilots using NMEA protocols through the dedicated serial port. Theyre waterproof and fully compatible with MapSource products like BlueChart®, U.S. Topo 24K, and City Select® (which provides detailed streets for turn-by-turn guidance).