Product Features: 1.lt can measures: Wind speed, wind direction, rain, temperature (outdoor amp; indoor), humidity (outdoor amp; indoor), pressure, UV, illuminance, heat index. 2.It transmits data from the outdoor sensor array to the receiver wirelessly(433 Mhz). 3.The receiver(display) can connect to Wi-Fi(support 2.4Ghz Wi-Fi), and the data can be uploaded to the websites(www.wundergound.com, 4.The computer connecting to the same Wi-Fi(support 2.4Ghz Wi-Fi), it can view the current information from the device, and export the history data into computer(format:csv) Functions: 1) Free PC software to view the weather data, after PC connecting to the same Wi-Fi(support 2.4Ghz Wi-Fi) (remark: software language: Chinese, Czech, Danish, Deutsch, English, French, Hungarian, Polish, Svenska, Spanish) 2) History Record interval is: 1-240minutes(adjustable). The receiver can log 3552 records in total. 3) Time and date, Sunrise and Sunset time, Moon phase. 4) Indoor/outdoor temperature and humidity amp; Wind chill amp; wind direction amp; Rainfall amp; Pressure measure, 5) Display rain rate, rainfall data in 24 hours, one week, one month, one year, total rain and rainfall event. 6) Wind speed in mph, km/h, m/s, knots or Beaufort. 7) The direction of the wind with 360 degree. 8) Wind chill, dew point and heat index temperatu display. 9) Barometric, weather forecast. 10) MAX, MIN with a time stamp. 11) High alarm and low alarm. 12) Light and UV index. 13) Save the data when batteries is changed 14) High light LED backlight