Features High-sensitivity GPS receiver for peak performance in any environment 24 megabytes of internal memory Detailed basemap contains lakes, rivers, cities, interstates, national and state highways, railroads and coastlines 256-color, sunlight readable display Locates your position quickly and precisely and maintains its GPS location even in heavy cover and deep canyons MapSource(r) Trip & Waypoint Manager software Add map detail from Garmin(r)'s entire line of optional MapSource(r) mapping products Dimensions: W 4.2 in; H 2.2 in; D 1.2 in Display Size: W 1.3 in; H 1.7 in Display Resolution: 176 x 220 pixels Weight: 5.5 oz with batteries Batteries: 2 AA batteries not included Battery Life: 14 hours Waterproof USB PC interface RoHS version available 500 waypoints 50 routes Track Log: 10,000 points; 10 saved tracks Geocaching mode Outdoor GPS games Hunt/fish calendar Sun and moon information Area calculation Customizable points of interest