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Garmin's GPSMAP 78sc is the GPS receiver for the discerning boater or water enthusiast. It comes preloaded with U.S. coastal charts and features a 3-axis compass, barometric altimeter, high-sensitivity receiver and more. And, it floats, so you won't have to worry about it sinking if it goes overboard.
Bright 2.6" LCD sunlight readable color display, 160x240 pixel resolution
High-sensitivity, WAAS-enabled GPS receiver with HotFix®
Rugged and waterproof to IPX7 standards plus it floats
Comes with built-in BlueChart® g2 coastal charts and a worldwide basemap with imagery
1.7GB of internal memory, plus microSD slot for optional mapping and data
High-speed USB 2.0 and NMEA 0183 compatible
Wirelessly shares thumbnails, routes, tracks, waypoints and geocaches between compatible units
3-axis compass provides accurate heading, even when the unit is not held level
Barometric altimeter tracks pressure changes to pinpoint user's precise altitude
Up to 20 hours battery life
Requires 2 "AA" batteries, Ni-MH or lithium recommended (sold separately)
You'll also need
2 "AA" batteries
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