Garmin(R) 010-01508-00 eTrex(R) 20x Handheld GPS Receiver
2.2″, 240 x 320 pixel color sunlight-readable display; 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(TM) with shaded relief; Custom POIs; Paperless geocaching; Garmin Connect(TM) compatible; Water-resistant (IPX7); microSD(TM) Card slot; 25-hour run time; Requires 2 AA batteries;