Summary: This is so outdated now. You would be better off getting a gps app for your smartphone. It takes forever to boot and you must charge through a cord as the batteries are li ion. I also had an older version of this that used aa batteries which was much more convenient .
Summary: I have an eXplorist 210 that I've liked a lot. But I was "playing around" and lost the map. I bought a 400 from a seller who said it didn't work. I thought that was ok because I just wanted to put a copy of the 400's map on my 210. Map copy worked fine and now the 210 is back to normal.
Very good value for someone just wanting a bar bones GPS
22 September 2011
Summary: THe explorist 400 is a very good GPS for Geocaching, hunting, fishing or hiking. It's main use is for the outdoors, it would not be to much help in the car. The only complaint is that is with a thick canopy in the woods signal is weak compared to my Triton 400 and Delorme PN-40 but keep in mind that...
If you don't want insane price, Go used, get value
4 January 2010
Summary: The absolutely only thing I don't like is that this is in gray-scale and not color. Every other thing is top notch on the Explorist 400 by Magellan. SD card slot compatible with up to 2GB SD cards can fit entire united states in top, and blue chart 13 format.