GPSMAP 546S Combo - Includes dual frequency transducerEven in bright sun it is easy to see the clarity of the GPSMAP 546, These brilliant 5"" VGA displays give you a sharp clear picture and the fast processor makes for smooth panning and screen redraws as you scroll, Plus these waterproof units have a high-sensitivity internal GPS receiver so mariners will alays know their position at sea, They are ready to go with built-in BlueChart g2 marine cartography of the coastal United States - including Alaska Hawaii and Explorer Chart data of the Bahamas, Mariners can navigate the waters with ease knowing that these new units include Garmin"s proven easy-to-use interface design, Features and Specifications: Bright crisp 5"" diagonal VGA display 480 x 640 pixels - over 800 nits of brightness NMEA 2000 certified for seamless integration with the Garmin marine lineup Preloaded with charts for over 14 000 U, S, lakes and navigable rivers Compatible with GXM 51 for XM Satellite Radio and XM WX Satellite Weather Built-in high-sensitivity GPS receiver High-speed processor for fast screen redraws and smooth panning Streamlined user interface makes it simple to select modes and features Single SD memory card slot for BlueChart g2 Vision cards as well as saving waypoints routes and tracks to an SD card Optional BlueChart g2 Vision cards provide marine chart detail and enhanced navigation features like Auto Guidance satellite imagery 3-D Mariner"s Eye View and 3-D Fish Eye View Backlit keypad for easy operation in low light conditions Auto-dimming display Unit dimensions: 5, 9""H x6, 4""W x 2, 9""D Power output: 500 watts (RMS) 4000 watts (peak to peak) dual beam xdcr 1000 watts (RMS) 8000 watts (peak to peak) 1kW xdcr Depth: 2000 feet/600 meters (dual freq, 1kW xdcr) 1500 ft (dual freq, 500 kW xdcr) Dual beam transducers - choose 50 kHz (45 degrees) 200 kHz (10 degrees) or 50kHz (19 degrees) 200 kHz (6 degrees) for maximum freshwater 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 and strong returns simultaneously Water temperature log graphically records water temp data A-scope Whiteline Adjustable depth line helps gauge desired fishing levels and bottom clearance Split zoom display offers a closer look at fish targets and bottom structure 2X 4X and bottomlock zoom Adjustable keel offset Alarms for fish size shallow water deep water and low battery Product : GARMIN GPSMAP 546S GPS CHART FISHFINDER W/ TM XDUCER Manufacturer : GARMIN Manufacturer Part No : 010-00774-01 SKU: CW36366