TFA linear wireless weather station. Transmission of outdoor temperature via up to 3 transmitters (maximum 100 m). Indication of indoor temperature and humidity, comfort level, maximum-minimum-function, weather forecast, tendency of atmospheric pressure, relative atmospheric pressure, bar graph indication of the last 12 hours, radio controlled clock, date, time zone ±12 hours, fine aluminium facing. Main unit: wall mounting or table standing. 2x 1,5 V AA batteries included, EK-EL. Inside temperature measuring range: -10 to +60 degree C (+14 to +140 degree F). Outside temperature measuring range: -40 to +60 degree C (-40 to +140 degree F). Inside humidity range: 20 to 95 percent. Measures 100 mm width by 220 mm height by 34 mm depth.