2.2" color sunlight-readable display; Water-, dust-, dirt- & humidity-resistant (IPX7); 3.7GB built-in memory; Internal memory expanded to hold more maps; High-sensitivity, WAAS-enabled GPS receiver with HotFix(R) & GLONASS support; Worldwide basemap with shaded relief; Custom POIs; Supports paperless geocaching; Compatible with optional BirdsEye Satellite Imagery subscription & free BaseCamp(TM) software to view & organize maps, waypoints, routes & tracks; Water-resistant (IPX7); microSD(TM) Card slot; Up to 25 hours of run time; Requires 2 AA batteries; Includes USB cable;