This Atmospheric Data Center ADC Pro measures all kinds of atmospheric data such as wind, temperature, altitude, barometric pressure and humidity. The ADC series (ADC Wind, ADC Summit and ADC Pro) are all specially constructed to meet the high demands of measuring the elements. Features include Altitude (current, min and max), Current barometric pressure, Weather forecast in 5 levels (Sunny, Partly Cloudy, Cloudy, Rain, Storm Warning), Dew point and more. The ADC Pro, top model in the ADC line, has all the features the has ADC Summit has plus a humidity sensor. Bring these travel gadgets along whenever weather is off importance.