Cast off confidently with the GPSMAP® 79s marine GPS handheld. This rugged, floating handheld features a sunlight-readable, high-resolution color display that is fogproof and scratch-resistant. You get access to a range of satellite constellations, so you get more reliable, accurate tracking around the world. Navigate wherever your adventures take you with the worldwide basemap. With more memory than previous models, you can save and track 10,000 waypoints and 250 routes. Keep your bearings with the built-in compass.