Garmin eTrex Vista C Waterproof Hiking GPS Automatic route generation, off-route recalculation, turn-by-turn directions and more help navigate you safely to your destination An electronic compass provides accurate bearing information Mini-USB port for fast, convenient download of map data 256-color, sunlight-readable display, 20-hour battery life and 24 MB internal memory Measures 2.2 x 1.5 x 0.9 inches (WxHxD)