Garmin eTrex 10 GPS UnitGarmin eTrex 10 GPS UnitRugged Handheld GPS with Enhanced CapabilitiesWorldwide basemap2.2″ monochrome display, easy to read in any lightGPS and GLONASS satellites for faster positioningPaperless geocaching25-hour battery life with 2 AA batteriesAlso check Garmin Inreach Explorer
