Wireless transmission of outdoor temperature and humidity via transmitter ( max. 100 m) , indoor temperature and humidity, max.-min.-function, weather forecast, tendency of atmospheric pressure, radio controlled clock with date, moon phase, silver Specification : Range: T in: -10… + 60° C, T out: -40… + 60° C, H in: 20… 95% , H out: 1… 99% T/ H-transmitter: 30.3187.IT, 2x 1, 5 V AAA batteries not included Main unit: wall mounting or table standing, 95 x 20 ( 65) x 158 mm, 125 g, 2x 1, 5 V AAA batteries not included, EK-EL