BRUNTON ADC-PRO: For the meteorologist professional or afficianado a complete backcountry weather station. This instrument offers everything the Wind and Summit models have and more. Displays current relative humidity, heat index, dew point and wet bulb. Relative air density. Air density. Density altitude. Current barometric pressure (in hPa, mb or inHg). Storm alarm. Past 24 hr pressure tendency. Predicts the coming 12-hour's weather. Altimeter shows current, max, min altitude in meters or feet. Altitude alarm. Ski run counter. Shows current temperature, past 24 hr temperature tendency. Current, max and average wind speed. Wind chill, average and min wind chill. Wind chill alarm. Real time clock, time, day and date, chronograph race timer. Manual and automatic data logging. IR data communication with PC using optional IR device.