Garmin eTrex 10

Rugged Handheld GPS with Enhanced Capabilities Worldwide basemap 2.2" monochrome display, easy to read in any light GPS and GLONASS satellites for faster positioning Paperless geocaching 25-hour battery life with 2 AA batteries eTrex 10 retains the core functionality, rugged construction, affordability and long battery life that made eTrex the most dependable GPS device available. We improved the user interface and added a worldwide basemap, paperless geocaching and support for spine-mounting accessories.