Garmin eTrex 30 worldwide handheld GPS navigator device has 2.2-inch transflective 65-K color TFT display, display resolution 176 x 220 pixels, weight 141.7g with batteries, 2 AA batteries - NiMH or lithium recommended, battery not included, battery life 25 hours, water rating IPX7, high-sensitivity receiver,
USB interface, barometric altimeter, electronic compass, unit-to-unit transfer, ability to add maps, built-in memory 1.7 GB,
accepts data cards microSD card, custom POIs, waypoints / favorites / locations 2000, routes 200, track log 10000 points, 200 saved tracks.