The Garmin Oregon 450 is the entry point into Garmin's second generation of Oregon hand held outdoor GPS units. This bundled option includes the entire United Kingdom mapped on Garmin's Discoverer mapping at 1:50,000. Features include: tough, glossy, sunlight readable, colour touch screens; built-in worldwide base map with shaded relief give you all the tools for serious climbing or hiking; map detail is simple and easy to read, and includes terrain contours at 100m intervals, land use information, rivers and lakes; three axis compass, for directional information even when standing still or not level. With the Oregon 450, you can share your waypoints, tracks, routes and geocaches wirelessly with other Oregon and Colorado users. The Oregon 450 also supports Geocaching.com GPX files for downloading geocaches and details straight to your unit. With its high-sensitivity, WAAS-enabled GPS receiver and HotFix satellite prediction, Oregon 450 locates your position quickly and precisely and maintains its GPS location even in heavy cover and deep canyons. Unit dimensions: W x H x D: 5.8cmx11.4cmx3.5cm. Display size: W x H: 3.8 x 6.3 cm - diagonal: 7.6 cm. Please note, the Oregon unit is not equipped with a bike mount.