2.6-inch TFT LCD display. Display size-1.43 x 2.15 inches. 2.6 inch diagonal | Worldwide shaded relief basemap; microSD card slot for optional mapping | 3-Axis compass & barometric altimeter | Floats, buoyant | Built-in 3-axis electronic compass; Barometric altimeter | 1.7MB built-in memory

For boaters and watersports enthusiasts who want to run with the best, the rugged GPSMAP 78s features a 3-axis compass, barometric altimeter, crisp color mapping, high-sensitivity receiver, new molded rubber side grips, plus a microSD card slot for loading additional maps. And it floats!ExploreGPSMAP 78s comes with built-in worldwide basemap, so you can navigate anywhere with ease. And, like the rest of the 78-series, 78s is IPX7 waterproof and even floats in water.Get Your BearingsGPSMAP 78s has a built-in 3-axis tilt-compensated electronic compass, which shows your heading even when youre standing still, without holding it level. Its barometric altimeter tracks changes in pressure to pinpoint your precise altitude, and you can even use it to plot barometric pressure over time, which can help you keep an eye on changing weather conditions.Share WirelesslyWith GPSMAP 78s you can share your waypoints, tracks, routes and geocaches wirelessly other compatible device users. Now you can send the location of your favorite fishing spot to a friend to find. Sharing data is easy. Just press send to transfer your information to similar units.Keep...