Garmin eTrex 20 Outdoor Handheld GPS Navigation

Physical & Performance:
Unit dimensions, WxHxD 2.1" x 4.0" x 1.3" (5.4 x 10.3 x 3.3 cm)
Display size, WxH 1.4" x 1.7" (3.5 x 4.4 cm); 2.2" diag (5.6 cm)
Display resolution, WxH 176 x 220 pixels
Display type transflective, 65-K color TFT
Weight 5 oz (141.7 g) with batteries
Battery 2 AA batteries (not included); NiMH or Lithium recommended
Battery life 25 hours
Waterproof Yes (IPX7)
Floats No
High-sensitivity receiver Yes
Interface USB
Maps & Memory:
Basemap Yes
Preloaded maps no
Ability to add maps Yes
Built-in memory 1.7 GB
Accepts data cards microSD™ card (not included)
Waypoints/favorites/locations 2000
Routes 200
Track log 10,000 points, 200 saved tracks
Features & Benefits:
Automatic routing (turn by turn routing on roads) Yes (with optional mapping for detailed roads)
Electronic compass No
Touchscreen No
Barometric altimeter No
Camera no
Geocaching-friendly
Yes (Paperless)
Custom maps compatible
Yes
Photo navigation (navigate to geotagged photos) Yes
Sun and moon information Yes
Tide tables Yes (with optional Bluechart)
Area calculation Yes
Custom POIs (ability to add additional points of interest) Yes
Unit-to-unit transfer (shares data wirelessly with similar units) No
Picture viewer Yes
Garmin Connect™ compatible (online community where you analyze, categorize and share data) Yes

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