wireless transmission of outdoor temperature and humidity via up to 3 transmitters (max. 100 m), indication of indoor temperature and humidity, max.-min.-function, weather forecast, tendency of atmospheric pressure, atmospheric pressure with bar graph indication of the last 24 hours, radio controlled clock with date, time zone ±12 hrs. Range: T in: -10…+60°C (+14…+140°F), T out: -40…+60°C (-40…+140°F), H in: 20...95%, H out: 1...99% T/H-transmitter: 30.3144.IT, 2x 1,5 V AA batteries included Main unit: wall mounting or table standing, 102 x 33 (76) x 180 mm, 234 g, <3x 1,5 V AA batteries included