Garmin GPSMAP 441 GPS Chartplotter Preloaded with U.S. coastal area map data Includes Alaska, Hawaii and detailed charts for Bermuda High sensitivity GPS receiver 240 x 320 pizels QVGA color display Waterproof (IPX7) Garmin GPSMAP 441 GPS Chartplotter GARMIN GPSMAP 441 GPS CHART PLOTTER Internal/External Antenna = Internal | Resolution (VxH) = 240 x 320 | Screen Size = 4.0/3.2 x 2.4