"The eTrex Legend with full basemap of North and South America. Basemap contains lakes, rivers, cities, interstates, highways, railroads and coastlines. Equipped with 8 MB of memory. Accepts downloaded map data from Garmin's MapSource CD-ROMs. Navigation features include 500 waypoints/icons with name and graphic symbol, automatic track log; 10 saved tracks to retrace your path in both directions, 20 reversible routes with up to 50 waypoints. Includes a Trip Computer for current speed, average speed, time of sunrise/sunset, resetable maximum speed, trip timer, and trip distance. Contains more than 100 map datums. Position format is lattitude/longitude, UTM/UPS, Maidenhead, MGRS, Loran TDs, and other grids. Performance features include differential-ready receiver, 12 parallel channel GPS receiver continuously tracks and uses up to 12 satellites to compute and update position. Case is waterproof to IEC 529 IPX7 standards. No memory battery required. Powered by 2 AA batteries."