Magellan eXplorist 310 Handheld GPS  North America: * Rugged and wateproof to IPX-7 standards * Record tracks and see "BreadCrumbs" on the Map Screen * NMEA message output with USB * Paperless geocaching * Comes with tons of helpful features * Ready to use right out of the box * Pre-loaded with the World Edition map, which includes a complete road network in the United States, Canada, Western Europe, Australia and major roads throughout the rest of the world * Map includes water features, urban and rural land use and city centers * Magellan"s Summit Series topographic maps are available for download to expand mapping coverage * Brilliant, 2.2" QVGA color screen * Provides precise GPS signals * 2GB internal memory * 18 hours of battery life with 2 AA batteries