See the way etrex 30 has an enhanced 22 in 65k colour brilliant sunlight readable display durable and waterproof etrex 30 is built to withstand the elements it has an upgraded interface and stands strong against the elements be it dust dirt humidity or water none of which are a match for this versatile navigator the right tools for your adventure etrex 30 adds a built in 3 axis tilt compensated electronic compass which shows your heading even when youre standing still without hold