DECENT FEATURES of the Brunton ADC (Atmospherice Data Center) Pro Waterproof / submersible Current temperature Current wind speed Maximum wind speed Average wind speed Wind speed alarm Wind chill Minimum wind chill Wind chill alarm Current water speed 12/24 hour clock Time, day and date Chronograph Race/countdown timer 2 Year warranty Weight: 2.4 oz Dimensions: 4.3" x 2" x 0.8" Current barometric pressure Past 24 hour pressure graph Prediction for 12 hour's weather Storm alarm Current altitude (feet, meter) Maximum altitude (feet, meter) Altitude alarm Ski run counter IR data communication Manual and automatic data logging Current relative humidity Air density Relative air density Heat index (F, C) Dew point (F, C) Wet bulb (F, C) Density altitude (feet, meter)