The Oregon 550 combines rugged outdoor touchscreen navigation with a 3.2 megapixel digital camera, adding a high-sensitivity GPS, barometric altimeter, 3-axis electronic compass and microSD card slot for optional storage. The Oregon 550 is a multipurpose device that will make your biggest adventures even more memorable.
Physical & Performance:

Unit dimensions, W x H x D: 5.8 x 11.4 x 3.5 cm
Display size, W x H: 3.8 x 6.3 cm
Display resolution, WxH: 240 x 400 pixels
Display type: Colour TFT touchscreen
Weight: 192.7g with batteries
Battery: 2 AA NiMH batteries included
Battery life: 16 hours
Waterproof: Yes (IPX7)
Floats: No
High-sensitivity receiver: Yes
Interface: High-speed USB and NMEA 0183 compatible

Maps & Memory:
Basemap: Yes
Preloaded maps: No
Ability to add maps: Yes
Built-in memory: 850 MB
Accepts data cards: microSD card (not included)
Waypoints / Favorites / Locations: 2,000
Routes: 200
Track log: 10,000 points, 200 saved tracks

Features:
Automatic routing (turn by turn routing on roads): Yes (with optional mapping for detailed roads)
Electronic compass: Yes (tilt-compensated, 3-axis)
Touchscreen: Yes
Barometric altimeter: Yes
Geocaching-friendly: Yes (paperless)
Camera: Yes (3.2 megapixel with autofocus; 4x digital zoom)
Outdoor GPS games: Yes (Wherigo only)
Hunt/fish calendar: Yes
Sun and moon information: Yes
Tide tables: Yes
Area calculation: Yes
Custom POIs (ability to add additional points of interest): Yes
Unit-to-unit transfer (shares data wirelessly with similar units): Yes
Picture viewer: Yes