3.3 x 4.3 cm 256 level colour TFT display 176 x 220 pixels Electronic compass and barometric altimeter Built-in basemap and 24MB of built-in memory to download additional TOPO GB and other MapSourceandreg software Built-in celestial tables for best times to hunt and fish High-sensitivity GPS receiver for peak performance in any environment Rugged waterproof case IPX7 WAAS-enabled Compact size 10.7h x 5.6w x 3.0d cm Stores 500 waypoints and 50 routes Weighs only 156 grams with batteries 4-way cursor for smooth one handed operation Multiple alarm functions Garmins eTrex Summit HC features a high-sensitivity GPS receiver for peak performance in any environment and includes 24 megabytes MB of internal memory a detailed basemap crisp colour screen barometric altimeter and electronic compass. With its high-sensitivity WAAS-enabled GPS receiver eTrex Summit HC locates your position quickly and precisely and maintains its GPS location even in heavy cover and deep canyons. Minimize