Garmin eTrex 20x LI-IR-505
This device has all the features of the eTrex 10, as well as a couple of added bonuses. Major focus points are color display, increased storage, option for SD card for storage expansion, compatibility to add more maps either standard ones from Garmin or custom made, etc. It comes with a colour display, expanded memory for more waypoints or to add more customized or standard maps, and the ability to add maps.
The most common maps loaded into the eTrex 20 are Garmin’s own TOPO maps need to be purchased separately, but the eTrex 20x is compatible with the vast majority of Garmin’s maps as well as custom made maps.