Garmin GPSMAP 7607, 7" Mfd, US Maps, No Sonar 7-inch multi-touch widescreen display (800 x 480 WVGA) preloaded with both blue chart G2 U.S. Coastal and LakeVu HD maps High-sensitivity internal 10 Hz GPS/GLONASS Fully network capable for Garmin marine network and NMEA 2000, plus NMEA 0183 support Supports GSD premium sonar and GCV scanning sonar modules Advanced sailing and Sail racing features