GPSMAP 441S MARINE GPS

ULTRA-BRIGHT 4 DIAGONAL QVGA DISPLAY; 240 X 320 PIXELS— MORE THAN 800 NITS OF BRIGHTNESS; NMEA 2000 CERTIFIED; PRELOADED WORLDWIDE MARINE BASEMAP; COMPATIBLE WITH GXM 51 FOR XM SATELLITE RADIO(R) & XM WX SATELLITE WEATHER(R); BUILT-IN HIGH-SENSITIVITY GPS RECEIVER; HIGH-SPEED PROCESSOR FOR FAST SCREEN REDRAWS & SMOOTH PANNING; STREAMLINED USER INTERFACE MAKES IT SIMPLE TO SELECT MODES & FEATURES; POWER OUTPUT: 500W (RMS), 4000W (PEAK TO PEAK), DUAL FREQUENCY; DEPTH: 1,500 FT/ 500 M (DUAL FREQUENCY); DUAL FREQUENCY TRANSDUCER 50KHZ (45°), 200KHZ (10°) FOR MAXIMUM SALTWATER PERFORMANCE; PATENTED TRANSOM/TROLLING MOUNT TRANSDUCER; ULTRASCROLL(TM) HIGH REP RATE SONAR PROVIDES FAST SCREEN UPDATES; AUTOGAIN TECHNOLOGY ENHANCES TARGET VISIBILITY; SEE-THRU(R) TECHNOLOGY—SHOWS WEAK & STRONG RETURNS SIMULTANEOUSLY; WATER TEMPERATURE LOG GRAPHICALLY RECORDS WATER TEMP DATA; A-SCOPE; WHITELINE; ADJUSTABLE DEPTH LINE HELPS GAUGE DESIRED FISHING LEVELS & BOTTOM CLEARANCE; SPLIT ZOOM DISPLAY OFFERS A CLOSER LOOK AT FISH TARGETS & BOTTOM STRUCTURE; 2X, 4X & BOTTOMLOCK ZOOM; ADJUSTABLE KEEL OFFSET; ALARMS FOR FISH SIZE, SHALLOW WATER, DEEP WATER & LOW BATTERY; SINGLE SECURE DIGITAL CARD(TM) SLOT FOR BLUECHART(R) G2 VISION CARDS, & SAVING WAYPOINTS, ROUTES & TRACKS TO A SECURE DIGITAL CARD(TM); BACKLIT KEYPAD FOR EASY OPERATION IN LOW LIGHT CONDITIONS; DIM: 5.7L X 5W X 2.7H