Garmin eTrex 20

Garmin eTrex 20 Worldwide basemap 2.2" 65K color, sunlight-readable display GPS and GLONASS satellites for faster positioning Paperless geocaching 25-hour battery life with 2 AA batteries Display Size:1.4" x 1.7" (3.5 x 4.4 cm); 2.2" diag (5.6 cm) Display Resolutions: 176 x 220 pixels Weight: 5 oz (141.7 g) with batteries Memory :1.7GB Base :yes Area calculation Sun and Moon Information