Color large screen, loaded with local topo maps, you can load additional maps for other areas if you have the software. It comes with a docking mount, serial cable for computer and batteries.
This is for hiking or for when you travel remote areas, useful to locate yourself, it shows the terrain, trails, and other geological features. It is not to be used for driving on the public roads. I would never go for a hike or to explore the wilderness without a SPOT GPS or one of these topo GPS.
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I have few smaller topographic color GPS units for sale.