With its high sensitivity WAAS enabled GPS, the GPSMAP 78s locates your position quickly and precisely and maintains its GPS location even in heavy cover and deep canyons. The advantage is clear - whether you are deep in the bush or just near tall buildings and trees, you can count on the 78s to help you find your way out when you need it the most.
Other featurers include a 160H by 240V pixel waterproof screen, 20 hr battery life from 2 AA batteries, 2000 waypoint storage with up to 200 routes, 1.7GB built in memory, electronic compass, barometric altimeter, hunt/fish calendar and tide tables.