Function Wireless transmission of outdoor temperature via up to 3 transmitters Indication of indoor temperature Max.-min.-function Clock Product information for download: Technical data Delivery contents Base station, temperature transmitter, instruction manual Measuring range temperature outdoor -40…+65°C (-40…+149°F) Maximum range 100 m Maximum amount of transmitters 3 Sender im Lieferumfang 30.3163 Transmission frequency 433 MHz Measuring range temperature indoor 0...+60°C (+32...+140°F) Material Plastic Assembling Wall mounting or free-standing Power consumption Batteries Batteries 2 x AA 1.5 V (base station), 2 x AAA 1.5 V (transmitter) Batteries included No Dimensions (L) 68 x (B) 29 (78) x (H) 113 mm Weight 91 g