Function Wireless transmission of outdoor temperature via up to 3 transmitters (max. 30 m) Indoor temperature Max-min function Weather forecast Atmospheric pressure trend Radio-controlled clock with alarm and snooze-function by IR motion sensor Coloured backlight in continuous operation (with power adapter) Registered TFA design Product information for download: Technical data Delivery contents Base station, temperature transmitter, batteries, power adapter, instruction manual Measuring range temperature outdoor -20...+60°C Radio-controlled clock defeatable Yes Maximum range 30 m Maximum amount of transmitters 3 Sender im Lieferumfang 30.3167 Transmission frequency 433 MHz Measuring range temperature indoor -10...+60°C Clock Radio-controlled clock Material Plastic Assembling Wall mounting or free-standing Power consumption Battery, power adapter Batteries 2 x AAA 1.5 V (base station), 2 x AA 1.5 V (transmitter) Batteries included Yes Dimensions (L) 80 x (B) 25 (58) x (H) 180 (192) mm Weight 243 g