The AcuRite Pro 5-in-1 Weather Station with Wind and Rain. Plan the day with confidence with your own weather and weather prediction information - pinpoint accuracy right from your own backyard. The AcuRite Professional Weather Station uses patented Self-Calibrating Technology to provide your personal forecast of 12 to 24 hour weather conditions. Self-Calibrating Forecasting is generated from weather data measured by a sensor in your yard - giving you the most accurate forecast available for your exact location. Rain accumulation data recorded for today, over all-time, by year, by month, and by rainfall event; tracks days with rain this month, and days since last rain. Wind speed: current, peak, and average (MPH or KPH). Wind direction with 16 point wind rose. Indoor and outdoor temperature (degrees Fahrenheit and Celsius) with trend arrow. Indoor and outdoor humidity (%RH) with trend arrow. Heat index, wind chill, dew point and "feels like" calculations. Daily, weekly, monthly, all time high and low records. Barometric pressure with trend arrow and manual calibration option. Time and date (month/day). White backlight with dimmer controls. Tabletop or wall-mountable design. Indicator for wireless sensor signal strength. Strong wireless range up to 330 feet (100 meters). Transmits data every 18 to 36 seconds. Automatic self-emptying rain collection cup. 2 year battery life. Durable, all-weather construction. Easy installation includes mounting hardware.