Celestron 48003 TrekGuide - Black

Digital Compass function provides degree, north pointing arrow and cardinal point readings Compass Range of 0 To 359 with 1-16 graphical pointers Adjustable magnetic declination angle for regions with magnetic variation Built-in altimeter measures altitude in either meters or feet Barometer (air) pressure and sea level pressure measurement available in mbar/hpPa, mmHG or inHG Weather forecast icons: sunny, slightly cloudy, cloudy and rainy so you'll know what the weathers going to be Time and Date, Alarm Clock to make sure that you won't oversleep on the trail and miss that important Monday morning meeting at the office Temperature reading in Celsius or Fahrenheit Backlight for reading in low light. Bubble level to keep you straight Water resistant