eTrex 30 x is our upgraded version of the popular eTrex 30, with enhanced screen resolution for a more readable display and internal memory expanded to hold more maps. It retains the ease-of-use, durability and affordability that eTrex is legendary for and can also be used on ATVs, bicycles, boats, cars or hot air balloons. eTrex 30 x has an enhanced 2.2-inch, 65K color, sunlight-readable display. Durable and waterproof, eTrex 30 x is built to withstand the elements. It has an upgraded interface yet retains its legendary toughness to withstand dust, dirt, humidity or water.