Function Wireless transmission of outdoor temperature via transmitter Indication of indoor temperature Permanent indication of daily highest and lowest values Weather forecast, atmospheric pressure trend Radio controlled clock with alarm and snooze-function, time zone ±12 hrs Frame with high-quality aluminium front TFA Quality mark: IT Instant Transmission Product information for download: Technical data Delivery contents Base station, temperature transmitter, instruction manual Measuring range temperature outdoor -40…+60°C Radio-controlled clock defeatable Yes Maximum range 100 m Sender im Lieferumfang 30.3188.IT Transmission frequency 868 MHz Measuring range temperature indoor -10...+38°C Clock Radio-controlled clock Material Plastic, aluminium 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) 125 x (B) 28 (60) x (H) 131 mm Weight 144 g