The eTrex Legend HCx locates your position quickly, precisely and maintains its GPS location even in heavy cover High sensitivity GPS receiver 256 colour sunlight readable screen Expandable memory with MicroSD cards (not included) Waterproof to IPX7 standard Accepts Garmin TOPO and City Navigator street mapping (not included) Whether you''re in deep foliage or rocky crevasses, the rugged eTrex Legend HCx can still provide a GPS signal in the toughest environments thanks to its high-sensitivity receiver. The eTrex Legend HCx also has a crisp, bright 256 colour screen, microSD card slot and automatic routing for wherever adventure takes you. Adding maps is easier than ever with Legend HCx''s microSD card slot. Conveniently plug in optional preloaded microSD cards with MapSource data for your land and sea excursions - just insert a MapSource card with detailed street maps, and Legend HCx provides turn-by-turn directions to your destination. The card slot is located inside the waterproof battery compartment, so you don''t have to worry about getting it wet. Waterproof to IPX7 standard, the eTrex Legend HCx is able to withstand the elements or an accidental dunk in water. A fast USB computer connection (USB cable supplied) enables you to transfer waypoints and other data to your computer using the supplied MapSource Trip and Waypoint Manager Software and USB cable. The preloaded Atlantic Recreational Routable Basemap v2 includes Europe, extreme Western Russia, Africa, and the Middle East, and covers an area from N75 to S60 Latitude, W30 to E60 Longitude. Also included is a high-level worldwide map with political boundaries and major cities.