The Garmin GPSMAP 78S 1.7MB Marine-Friendly Handheld GPS Navigator has a built-in 3-axis tilt-compensated electronic compass and barometric altimeter. You can also share your waypoints, tracks, routes and geocaches wirelessly other compatible device users. Also featured is a microSD card slot for loading additional maps. The card slot is located inside the waterproof battery compartment, so you don't have to worry about getting it wet. It comes with built-in worldwide basemap and 1.7MB of map storage space. GPSMAP 78 also supports BirdsEye Satellite Imagery (subscription required), that lets you download satellite images to your device and integrate them with your maps. And the unit floats in water, and is IPX7 waterproof to withstand the accidental dunk or splash in the lake.Built-in 3-axis electronic compass; Barometric altimeter
1.7MB built-in memory
Transflective, 65-K color TFT display; 160 x 240 pixel
MicroSD card slot; 20 hours battery life
Waterproof (IPX7); Floats
BirdsEye Satellite Imagery (subscription required)
2000 waypoints; 200 routes; 10,000 points, 200 saved tracks
Hunt/fish calendar; Sun and moon information
Tide tables; Area calculation; Custom POIs
Interface: high-speed USB and NMEA 0183 compatible
Model #: GPSMAP78S
*Warranty: Full manufacturer's warranty applies.
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