The eTrex Vista combines the popular features of the eTrex Summit with a full basemap of the Americas, the Atlantic or the Pacific, a barometric altimeter, electronic compass and 24 megabytes (MB) of internal memory for extra data storage.

Specification :
Unit dimensions, WxHxD:       2.0" x 4.4" x 1.2" (5.1 x 11.2 x 3.0 cm)
Display size, WxH:     1.1" x 2.1" (2.8 x 5.4 cm)
Display resolution, WxH:     160 x 288 pixels
Display type:     4 level gray LCD
Weight:     5.3 oz (150 g) with batteries
Battery:     2 AA batteries (not included)
Battery life:     12 hours
Waterproof:     yes (IPX7)
Floats:     no
High-sensitivity receiver:     no
Interface:     serial
RoHS version available:     yes

Maps & Memory:
Basemap:     yes
Preloaded maps:     no
Ability to add maps:     yes
Built-in memory:     24 MB
Accepts data cards:     no
Waypoints/favorites/locations:     1000
Routes:     20
Track log:     10,000 points, 10 saved tracks