Specification :

Garmin GPS eTrex Vista HCx
Unit Dimensionsm 4.2" x2.2" x1.2"
Display Size 1.3" x1.7"
Display Resolution 176x220 Pixels
Display Type 256 Level Color TFT
Weight 5.5 Oz ( 156 g)
Battery Life 25 Hours
Rohs Version Available Yes
Basemap Yes
Accepts Data Cards Microsd Card
Waypoints/ Favorites 500
Routes 50
Track Log 10, 000 Points, 20 Saved Tracks
Electronic Compass Yes
Barometric Altimeter Yes
Area Calculation Yes