Features of the Garmin eTrex 32x Rugged Handheld GPS with Compass and Barometric Altimeter 2.2? sunlight-readable color display with 240 x 320 display pixels for improved readability Preloaded with TopoActive maps with routable roads and trails for cycling and hiking Support for GPS and GLONASS satellite systems allows for tracking in more challenging environments than GPS alone 8 GB of internal memory for map downloads plus a microSD? card slot eTrex 32x adds a 3-axis compass and barometric altimeter Battery life: up to 25 hours in GPS mode with 2 AA batteries General Features Physical dimensions: 2.1in. x 4.0in. x 1.3in. (5.4 x 10.3 x 3.3 cm) Display size: 1.4in. x 1.7in. (3.5 x 4.4 cm); 2.2in. diag (5.6 cm) Display resolution: 240 x 320 pixels Display type: 2.2in. transflective, 65K color TFT Weight: 5 oz (141.7 g) with batteries Battery: 2 AA batteries (not included); NiMH or Lithium recommended Battery life: 25 hours Water rating: IPX7 Memory/History: 8GB High-sensitivity receiver Interface: USB Maps & Memory Features Preloaded maps: yes (TopoActive; routable) Ability to add maps Basemap Memory storage and power capacity: microSD? card (not included) Waypoints/Favorites/Locations: 2000 Routes: 200 Track log: 10,000 points, 200 saved tracks Sensors Features Barometric altimeter Compass Outdoor Recreation Features Area calculation Automatic routing (turn by turn routing on roads): Yes (with optional mapping for detailed roads) Geocaching-friendly: Yes (Paperless) Custom maps compatible Hunt/fish calendar Sun and moon information Picture viewer Additional Features Wireless Connectivity: ANT+