RUGGED HANDHELDThis handheld is water-resistant IPX7 with a high-resolution colour display you can read in the sun. The glass is even scratch-resistant and fog proof.DESIGNED TO FLOATIf rough waters come and the handheld goes overboard, don’t worry. This device floats.BATTERY LIFEUser-replaceable AA batteries (not included) provide up to 19 hours of battery life in GPS tracking mode.Exactly what you need to navigateACCURATE TRACKINGWith support for multiple satellite constellations — such as GPS, GLONASS, Galileo, QZSS and SBAS — you’ll get accurate, reliable tracking and positioning around the world.INCREASED MEMORYMore memory than previous models means you can save and track 10,000 waypoints, 250 routes and 300 fitness activity files.BUILT-IN COMPASSThe 3-axis tilt-compensated electronic compass shows your heading — even while the boat is standing still.