Function With dual channel transmitter for wireless transmission (max. 100 m) of outdoor temperature and optional sensor cable One additional channel available Indication of indoor temperature and humidity with comfort level Max.-min.-function Weather forecast Atmospheric pressure trend Radio-controlled clock with date Registered TFA design TFA Quality mark: IT Instant Transmission Product information for download: Technical data Delivery contents Base station, temperature transmitter, batteries, instruction manual Measuring range temperature outdoor -40...+60°C (-40…+140°F) Radio-controlled clock defeatable Yes Maximum range 100 m Sender im Lieferumfang 30.3146.IT Transmission frequency 868 MHz Measuring range temperature indoor -10...+60°C (+14…+140°F) Measuring range humidity indoor 20...95% Clock Radio-controlled clock 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 Yes Dimensions (L) 82 x (B) 33 (62) x (H) 144 mm Weight 165 g