Thermor Bios Digital Home Weather Station (Gray, 15.5-Inch x 10.5-Inch x 5.5-Inch) Digital Home Weather Station wirelessly displays 13 key weather measurements. Wireless sensor monitors indoor/outdoor temp. with humidity, heat index, dew point, wind speed/direction with high wind speed alarm, wind gust, wind chill temp and low wind chill alarm,and daily, monthly and total rainfall in mm and inches. Historical rainfall bar chart and barometric pressure and trend indicator. Anenometer wirelessly transmits up to 230 ft. and rain gauge transmits up to 164 ft. RCC clock with alarm. Backlight display.