GARMIN GPS ETREX 30

Garmin GPS eTrex 30 with transflective 2.2" 65K (3,5 x 4,4 cm) (176 x 220 pixels) colour, sunlight-readable display. Durable, waterproof and built to withstand the elements – be it dust, dirt, humidity or water, none of which are a match.
Adds a built-in 3-axis tilt-compensated electronic compass, which shows your heading even when you’re standing still, without holding it level. Also added is a barometric altimeter. 
With its microSD™ card slot and 1.7 GB of internal memory, lets you load a range of topographic maps and hit the trail, plug in BlueChart® g2 preloaded cards for a great day on the water or City Navigator NT® map data for turn-by-turn routing on roads. 
Supports geocaching GPX files for downloading geocaches and details straight to your unit. 
With its high-sensitivity, WAAS-enabled GPS receiver and HotFix® satellite prediction, locates your position quickly and precisely and maintains its GPS location even in heavy cover and deep canyons. 
Dimensions: 5,4 x 10,3 x 3 cm. Weight: 141,7 g with batteries.