Features:- For the control of indoor and outdoor climate.- With internal sensor and 3 wireless radio-controlled transmitters (max.100 m) for monitoring temperature and humidity in up to 4 rooms.- Expandable up to 8 transmitters, max.-min.-function, comfort level, temperature tendency, alarm settings.- Range:T in 0°C…60°C (32°F…140°F), T out - 40°C…60°C (-40°F…140°F), H in/out:20…90%.- T/H-transmitter:inkl.3 transmitters, 30.3208.02, ea.2 x 1,5 V AAA batteries not included.- Main unit:wall mounting or table standing, 116x 24 (64) x 116 mm, 143 g, 4 x 1,5 V AAA batteries not included.