The Garmin eTrex 30 handheld GPS is fit for a variety of outdoor adventurers. It has a worldwide shaded relief basemap, paperless geocaching, a hunt and fish calendar, and a trip computer with the ability to record waypoints, routes, and tracks. With its bright 2.2 inch TFT display of the Garmin eTrex 30, it features 3 axis compass and barometric altimeter. The eTrex 30 can be operated indoors and out, with five buttons on either side. It offers 1.7 GB of internal memory and microSD card slot for additional storage. It is waterproof and has a 25 hour battery life.