Garmin Alpha 100 GPS Track and Train Handheld

Alpha 100 handheld features a 3-Inch glove-friendly color touchscreen
Track and train a combination of twenty TT 10 dog devices ( TT 10 devices sold seperately) or Alpha 100 handhelds simultaneously from up to 9 miles away
Includes preloaded TOPO U.S. 100K mapping for terrain contours, topo elevations, summits, parks, coastlines, rivers, lakes and more