Professional weather center featuring the power of solar technology. Wireless thermo-hygro rain USB transceiver to transfer weather data to your PC and wireless solar wind sensor updates every 30 seconds to the display. Features relative air pressure with a 12 or 72 historical graph rainfall of last 12hours 24hours and total wind speed direction gust and chill indoor and outdoor temperature and humidity and dew point. Also has minimum and maximum and high and low alarms for all values.