Function Transmission of outdoor temperature via up to 3 transmitters Indication of indoor temperature Max.-min. function Weather forecast by 3D weather symbols with coloured animation (continuous operation with power adapter) Radio-controlled clock with date and alarm Backlight Product information for download: Technical data Delivery contents Base station, temperature transmitter, batteries, power adapter, instruction manual Measuring range temperature outdoor -20...+60°C (-4…+140°F) Radio-controlled clock defeatable Yes Maximum range 50 m Maximum amount of transmitters 3 Sender im Lieferumfang 30.3186 Transmission frequency 433 MHz Measuring range temperature indoor -10…+60°C (+14…+140°F) Clock Radio-controlled clock Material Plastic, glass Assembling Free-standing Power consumption Power adapter, batteries Batteries 4 x AA 1.5 V (base station), 2 x AA 1.5 V (transmitter) Batteries included Yes Dimensions (L) 180 x (B) 71 x (H) 80 mm Weight 650 g