La Crosse Technology's Professional Wind Speed Weather Station will provide you accurate backyard weather monitoring from the convenience of inside your home. Easy to install instructions, mounting bracket, and hardware are included. The wireless wind/temperature sensor transmits from up to 300 feet (open air) to your indoor console so you know what the weather is doing without having to turn on the radio or tv. Features: CalendarManual set Quartz Time (hour/minute)Time Accuracy: +/-1s/dIndoor Temperature/HumidityHigh/Low records for indoor temperature/humidity with time and date stamp (with button press)Independent HI/LO Alerts for indoor & outdoor temperature & humidity (alerts on 3 channels if extra outdoor sensors are used).Wireless Outdoor Temperature/Humidity and Outdoor temperature/humidity trendC/F selectable3 channels no auto scroll"Feels Like" temperature and Dew point for outdoor (calculated on all 3 channels if extra sensors are used).High/Low records for outdoor temperature/humidity with time and date stamp (with button press) 3 channels. Low battery icon for the THERMO-HYGRO sensor 3 channels. Frost Warning when outdoor temperature is between 37 degF to 28 deg (3degC to -2 degC)Storm Warning when barometric pressure drops 2.5 hPa in a 3 hour period. Wireless Wind speed in mph, km/hDisplay top wind in 1 hour. Display current wind speed as top wind in the past 30 seconds. Independent alerts for current wind speedHigh history for wind records (1 hour (default) 24 Hours, 7 days, 1 Month, one year)Low battery icon for WIND SPEED sensorWeather forecast: Sunny, Partly sunny, Cloudy, Rainy, Stormy and Snowy | La Crosse Technology Professional Wind Speed Weather Station