Oregon Scientific WMR968DISP Main Display Unit for the WMR968 Professional Weather Station Displays Weather Forecast iconsSunny, Partly Cloudy, Cloudy, Rainy and Indoor and outdoor (up to 3 wireless sensors) temperature and humidity measurements Displays temperature, humidity, wind chill, wind speed, wind direction, barometric pressure and rainfall, dew point, wind chill and heat index readings Weather alert alarms for temperature, humidity, dew point, gust wind and rainfall rate Long range transmission of 300 feet (100 meters) at 433MHz between the main unit and remote sensors Main console features touch-screen controls and EL backlight li&gt; PC compatible (with optional RS-232 serial cable and software, not included)