Garmin Rino 750t 2-Way Touchscreen Radio/GPS/Navigator with TOPO Mapping - Combining map-guided trail navigation with two-way radio communication, the Rino 750, Rino 750t and Rino 755t handhelds bring a whole new level of confidence to your outdoor adventures. These models feature unique position reporting capabilities that let you send your exact location to other Rino users so they can see it on their map displays. 5-watt GMRS two-way radio offers extended range, up to 20 miles; communicate by voice or unit-to-unit text messaging High-sensitivity GPS and GLONASS satellite reception; tracks in more challenging environments than GPS alone Position reporting feature shows locations of other Rino users on the same channel 3in sunlight-readable touchscreen with dual orientation (landscape or portrait view) Dual battery system provides up to 14 hours between charges on lithium-ion pack or up to 18 hours with optional AA batteries (not included) Rino 750t and Rino 755t handhelds add preloaded TOPO U.S. 100K maps; Rino 755t also includes an 8-megapixel autofocus camera with LED flash/torch