TFA weather boy XS wireless station. Transmission of outdoor temperature via up to 3 transmitters (maximum 100 m). Indication of indoor temperature and humidity, maximum-minimum-function with time and date. Weather forecast by symbols and "Weather BOY" (15 variations of clothes). Tendency of atmospheric pressure, radio controlled clock with date, alarm and snooze function. Time of sun rise and sun set, indication of moon phase, backlight, grey. 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 125 mm width by 94 mm height by 29 mm depth.