Brunton - ADC (Atmospheric Data Center) Pro TRACK EVERYTHING - From wind and water speed to windchill and air density to a ski run counter and race countdown timer the ADC Pro allows you to track even the most minute details of your every adventure. RUGGED - Waterproof and submersible design allows you to take readings under water, on mountain tops, and in the most severe conditions. LIGHTWEIGHT - At 2.4 ounces, just over 4 inches long and 2 inches wide, the ADC Pro fits into your pocket. What other comprehensive weather station is this small and compact? FORECAST - Accurate readings of current temperature, humidity, barometer, and wind speed allow the Atmosphere Data Center Pro to forecast conditions in even remote locations. MADE IN THE USA - Made in Bruntons own facility in Riverton, Wyoming. Measures, counts, tracks, interprets, forecasts and logs virtually every aspect of your trip. Because knowledge is power. Waterproof / submersible Current wind speed Current barometric pressure Prediction for 12 hour's weather