TFA diva base wireless weather station with dual channel transmitter for wireless transmission (maximum 100 m) of outdoor temperature and optional sensor cable. One additional channel available, indication of indoor temperature and humidity with comfort level. Maximum-minimum-function weather forecast, tendency of atmospheric pressure. Radio controlled clock with date. Compact, wireless weather station with a clear, digital LCD display. 2x 1,5 V AA batteries included, EK-EL. Main unit: wall mounting or table standing. 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 82 mm width by 144 mm height by 33 mm depth.