Garmin GPSMAP 78SC High Performance Marine Handheld GPS Garmin International is pleased to announce the next generation in marine handhelds the GPSMAP 78 series. Incorporating a sleek, new design and musthave features, these rugged units are a great fit in Garmin's bestselling lineup of color marine handhelds and they float! Featuring a bright 2.6inch LCD color display with builtin basemap and highsensitivity GPS receiver with HotFix, the GPSMAP 78 series takes recreational navigation to a new level. All three models are waterproof, include a builtin microSD card slot for loading additional maps and have a dedicated MOB, man over board, button. In addition to the standard feature set on the GPSMAP 78, the 78s version adds a 3axis compass, a barometric altimeter and a worldwide shaded relief base map. The 78sc model includes the sensors, plus it comes preloaded with coastal charts for the United States including Alaska, Hawaii and Explorer Chart data for the Bahamas. Sensor versions 78s and 78sc also offer wireless route and waypoint sharing with other compatible units. All three units support Garmin Custom Maps and BirdsEye Satellite Imagery. Garmin Custom Maps is a free and simple process that transforms paper and electronic maps into downloadable maps for your compatible Garmin GPS. BirdsEye Satellite Imagery is a subscriptionbased service that allows you to see aerial views of your destination. If you're looking for the ultimate highperformance marine handheld, take your pick from the GPSMAP 78 series.