The La Crosse Technology WS-9020TWC-IT Intelligent Forecast Station, predicts weather events: Strong winds, storms, tempest, frost, fog, snowfall, forecast with time fram, lowest night temperature , Min/Max temperature. Also, features outdoor and indoor temperature and humdity, Atomic time & date with manual setting option, 12/24 hour time, 12 hour barometric pressure history, forecast icon based on changing barometric pressure, barometric pressure tendency arrow, Min/Max humidity with time & date and wireless transmission at 915MHz and transmission range up to 330 feet and can recieve up to three outside sensors.