Function Wireless transmission of outdoor temperature via transmitter (max. 100 m) 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 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 Radio-controlled clock defeatable Yes Maximum range 100 m Sender im Lieferumfang 30.3159.IT Transmission frequency 868 MHz Measuring range temperature indoor -10...+38°C Clock Radio-controlled clock Material Plastic Assembling Wall mounting or free-standing Power consumption Batteries Batteries 3 x AA 1.5 V (base station), 2 x AA 1.5 V (transmitter) Batteries included Yes Dimensions (L) 119 x 29 (50) mm (H) 138 mm Weight 176 g