"Magellan Triton 500 Product # 980-0003-001 The Magellan Triton 500 has 3-axis electronic compass and built-in barometer to offer you enhanced navigation capabilities
Also with SD-card expandability you can add additional detailed maps. Rugged and waterproof, your Triton is built to withstand intense use, accidental impact and immersion in one meter of water for up to 30 minutes (IPX-7). It's ready to guide you across any terrain in the great outdoors. Triton 500 Features: GPS Handheld Navigation System, SiRFstarIII Chipset, 3-meter Accuracy, 2.2"" Full Color Display, Built-in Maps -48 contiguous United States, Alaska, and Canada, 3-axis Electronic Compass, Barometer, SD-card Compatible for Map Storage, Rugged & Waterproof (IPX-7), Access Exclusive VantagePoint Software, Add Detailed Maps, Key Definitions: 3-axis Electronic Compass: Clearly see your direction no matter how you hold your GPS, even when standing still. 3-meter Accuracy: SiRFstarIII chipset and integrated multidirectional antennae offer superior GPS accuracy using the Wide Area Augmentation System (WAAS). Access exclusive VantagePoint software: Lets you easily manage user generated content, updates and upgrades on your PC. View saved routes and tracks. Customize them for future trips or create new ones. (requires purchase of Data Cable) Add Detailed Maps: Upload optional marine cartography, topographic maps, and other data including the highly-detailed and feature-packed National Geographic TOPO State series and Weekend Explorer 3D maps based on USGS 1:24.000 series quads. (requires purchase of Data Cable) Barometer: Sensitive barometric pressure readings offer advance notice of changing weather and assists in providing accurate elevation. Built-in Maps: Basemap of the 48 contiguous United States, Alaska, and Canada (major highways, city centers, bodies of water and more) plus worldwide geographic boundaries. Rugged & Waterproof (IPX-7): built to withstand intense use, accidental impact and immersion in one meter of water for up to 30 minutes (IPX-7) br"