Specifications: The garmin gpsmap 276c is an all-in-one, versatile, color chartplotter and automobile navigator perfect for land or water. This portable GPS navigator features a 256-color TFT display that\'\'s easy to read in bright sun along with a built-in basemap and auto routing to provide you with turn-by-turn directions to the marina for a day of boating. On water, the garmin gpsmap 276c is a dependable, color chartplotter with a built-in autoroute basemap enhanced by garmin\'\'s marine cartography. It accepts pre-programmed or user programmed data cards with mapsource bluechart for offshore detail or recreational lakes with fishing hot spots for detail of inland lakes. In addition, the garmin gpsmap 276c supports external nmea sources for water depth, water temperature, and water speed through two serial interfaces. The unit also features a new course deviation indicator (cdi) an advanced navigation tool commonly found on aircraft, but equally practical in the marine environment. The cdi quickly indicates if a boat has veered off course. For map transfer or software updates, the garmin gpsmap 276c features a fast usb-pc interface. The unit is also powered by a rechargeable lithium-ion battery pack, or a standard 110-volt AC plug. Part no.010-00331-00 Package includes: Garmin gpsmap 276c, basemap americas: Americas autoroute, usb-pc interface cable, power/data cable, marine mount, rechargeable lithium battery pack, AC adapter, trip & waypoint manager CD manual, & quick-start guide