Oregon Scientific EW92 Wireless Indoor/Outdoor Thermometer with Atomic Clock Displays indoor and outdoor temperature Automatically sets itself to the u.s. atomic clock and adjusts for daylight savings time Ice alert function: lcd icon display and led light blinks when outdoor temperature nears icy conditions Displays indoor and outdoor temperature Automatically sets itself to the u.s. atomic clock and adjusts for daylight savings time Ice alert function: lcd icon display and led light blinks when outdoor temperature nears icy conditions Wirelessly transmits sensor data from 100-feet away Multi-functional weather station