Function Wireless transmission of outdoor temperature via transmitter (max. 30 m) Indication of indoor temperature Max.-min.-function Time Registered TFA design Product information for download: Technical data Delivery contents Radio-controlled thermometer, temperature transmitter, instruction manual Measuring range temperature outdoor -20 …+60°C (-4…+140°F ) Maximum range 30 m Sender im Lieferumfang 30.3220.02 Transmission frequency 433 MHz Measuring range temperature indoor 0 …+50°C (+32…+122°F) Clock Quartz clock Material Plastic Assembling Wall mounting or free-standing Power consumption Batteries Batteries 2 x AAA 1.5 V (base station), 2 x 1.5 V (transmitter) Batteries included No Dimensions (L) 77 x (B) 24 (54) x (H) 115 mm Weight 78 g