The navigator with the photographic memory, Oregon 550, combines rugged outdoor touchscreen navigation with a 3.2 megapixel digital camera. Capture locations and memories with Oregon 550′s 3.2 megapixel autofocus digital camera with 4x digital zoom. Oregon 550 makes rugged navigation effortless with a tough, 3-inch diagonal, sunlight-readable, color touchscreen display. The interface is easy to use, so you¿ll spend more time enjoying the outdoors and less time searching for information. Oregon 550 has a built-in 3-axis tilt-compensated electronic compass, which shows your heading even when you¿re standing still, without holding it level. Its barometric altimeter tracks changes in pressure to pinpoint your precise altitude, and you can even use it to plot barometric pressure over time, which can help you keep an eye on changing weather conditions. Oregon 550 comes preloaded with a worldwide built-in basemap with shaded relief. Adding even more detail is easy: just insert a MapSource microSD card preloaded with detailed maps. Oregon can accept a variety of maps for any navigational need. Add detailed street maps to get turn-by-turn directions to your destination. Add select topographic maps to take advantage of Oregon¿s 3-D maps and elevation detail.