This rugged, lightweight GPS features 8 GB of memory so you can conveniently download topographic maps, Garmin BlueChart preloaded cards or City Navigator NT map data for turn-by-turn routing on roads. It also includes a 3-axis electronic compass with barometric altimeter, wireless connectivity, and preloaded TOPO U.S. 100K map and support for TOPO U.S. 24K maps. A high-speed USB interface allows quick transfers and charging of the NiMH battery. Also includes one free year of BirdsEye Satellite Imagery so you can download satellite images and integrate them with your maps. High-sensitivity WAAS- and GLONASS-enabled GPS receiver provides exceptionally fast position acquisition and excellent accuracy. The quad helix antenna, high-sensitivity, WAAS-enabled receiver and HotFix satellite prediction allow quick and precise location acquisition. Bold 65-K color display is easy to see in most lighting conditions. A built-in 3-axis tilt-compensated compass and a barometric altimeter offer more navigating options. The altimeter also lets you plot barometric pressure over time to help you keep an eye on changing weather conditions. It can also share information wirelessly with compatible Garmin device users. Supports paperless geocaching with 250,000 preloaded caches with hints and descriptions. Imported. Display size 2.6 diagonal. Waterproof IPX7. Built-in memory 8GB.