La Crosse Technology WS-1912U-IT Wireless Professional Weather Center with Wind, Storm Warning, Forecast, Pressure and historical data Wireless weather station for temperature, humidity, air pressure, and wind measurements; with forecast icon and tendency arrow Wall-mounted or free-standing base; 8-level contrast LCD with 12/24-hour clock, date, day of week, and indoor temperature (F/C) Thermo-hygro sensor transmits from up to 330 feet; cable-connected wind sensor for wind speed, wind chill, gusts, and dew point Holds up to 140 weather data sets of all recorded values; requires separate purchase of 5 AA batteries Receiver measures 4-3/5 inches wide by 1 inch deep by 5-2/5 inches high; limited 1-year manufacturer's warranty