Garmin GPSMAP 521s w/dual frequency transducer
http://www.amazon.com/Garmin-GPSMAP-521s-frequency-transducer/dp/B002OAY6GI%3FSubscriptionId%3DAKIAIOIGGZP7DQY55UUQ%26tag%3Dws%26linkCode%3Dsp1%26camp%3D2025%26creative%3D165953%26creativeASIN%3DB002OAY6GI
LARGE, ULTRA-BRIGHT 5″ DIAGONAL QVGA DISPLAY; 234 X 320 PIXELSMORE THAN 800 NITS OF BRIGHTNESS; NMEA 2000 CERTIFIED FOR SEAMLESS INTEGRATION WITH THE GARMIN MARINE LINEUP; PRELOADED WORLDWIDE MARINE BASEMAP; COMPATIBLE WITH GXM 51 FOR XM RADIO AND XM WX SATELLITE WEATHER; BUILT-IN HIGH-SENSITIVITY GPS RECEIVER; HIGH-SPEED PROCESSOR FOR FAST SCREEN REDRAWS & SMOOTH PANNING; SECURE DIGITAL CARD SLOT FOR BLUECHART G2 VISION CARDS, AS WELL AS SAVING WAYPOINTS, ROUTES & TRACKS TO A SECURE DIGITAL CARD; OPTIONAL BLUECHART G2 VISION CARDS PROVIDE MARINE CHART DETAIL & ENHANCED NAVIGATION FEATURES LIKE AUTO GUIDANCE, SATELLITE IMAGERY, 3-D MARINERS EYE VIEW & 3-D FISH EYE VIEW; BACKLIT KEYPAD FOR EASY OPERATION IN LOW LIGHT CONDITIONS; POWER OUTPUT: 500W (RMS), 4000W (PEAK TO PEAK), DUAL FREQUENCY; DEPTH: 1,500 FT/ 500 M (DUAL FREQUENCY); USES A DUAL FREQUENCY TRANSDUCER 50 KHZ (45), 200 KHZ (10) FOR MAXIMUM SALTWATER PERFORMANCE; PATENTED TRANSOM/TROLLING MOUNT TRANSDUCER; ULTRASCROLL HIGH REP RATE SONAR PROVIDES LIGHTNING-FAST SCREEN UPDATES; AUTOGAIN TECHNOLOGY ENHANCES TARGET VISIBILITY; SEE-THRU 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; DIM: 5.9″H X 6.4″W X 2.
Duration : 0:1:9