Oregon Scientific WMR90 Pro Wireless Weather Station Forecast the weather 12 to 24 hours in advance using graphical icons. Displays temperature, humidity, barometric pressure, wind, rainfall, dew point, windchill, and heat index data. Includes five sensors for comprehensive weather information (UV sensor available for purchase separately. Add up to 9 temperature and humidity sensors. Bar graph shows 24-hour history of barometric, UV Index, and rainfall data. Displays three levels of temperature and humidity trends: Rising, Steady, or Falling. Wireless sensors transmit data from up to 300 feet from main unit. Moon phase icon helps gauge moonlight and tides for outdoor activities.