Whether youre hiking, hunting, climbing, geocaching, kayaking or mountain biking, explore more by using this GPS Map 66sr premium, rugged handheld with a 3 color display, preloaded maps and multiple frequencies for our most accurate position to date. Multi-band technology and expanded GNSS satellite support guide the way in challenging locations. See the peaks and valleys clearly with TopoActive maps for the U.S. and Canada. Explore more with up to 36 hours of battery life in GPS mode and up to 450 hours in Expedition mode.