
GPS with altimeter & compass 12 parallel channel GPS receiver Gives rate of ascent Water resistant rugged casing The e Trex Summit is a new all-in-one navigation device for the outdoor enthusiast. It is the first to combine GPS altimeter & electronic compass. The electronic compass provides bearing information when youre standing still & the altimeter determines precise altitude so you can tell how high youve climbed & your rate of ascent. Like its predecessor the e Trex Summit boasts a powerful 12 parallel channel GPS receiver & comes packaged in a small sleek case with operating buttons located on either side of the unit. The case is completely waterproof to withstand immersion in one metre of water for up to 30 minutes.