Ambient Weather WS-1173 Wireless Advanced Weather Station with Temperature, Dew Point and Barometer The WS-1173 adds sunrise, sunset and moon phase to our most popular desktop weather center The indoor console displays temperature and humidity levels indoors and outside and shows daily weather forecasts The wireless sensor installs just about anywhere (330 feet line of sight, 100 feet under most conditions) to report on conditions anywhere The unit monitors indoor and outdoor temperature and humidity, dew point, as well as barometric pressure and features a pressure history chart Equipped with an atomic clock, time is set automatically via radio and in synch with the U.S; atomic clock for utmost accuracy