Model No. 30.3055 Outdoor temperature via wireless transmitter Indication of indoor temperature Permanent display of max. and min. values Backlight- makes it easy to read the clear display even in the dark. Table stand or wall mounting Product Description: Always in the know with the temperature – with the "JOKER" wireless thermometer from TFA.A separate wireless transmitter determines the outdoor temperature at the location; an internal sensor measures the indoor temperature. The highest and lowest values are permanently displayed. For both temperature valuesControlling the room temperature is an important factor for the creation of a comfortable and healthy living environment and it helps save energy. Even one degree of temperature reduction can save up to 6% on heating costs.With the outdoor temperature, you get reliable and important information for your home, garden, leisure and work.The backlight makes it easy to read the clear display even in the dark. Specifications: Measuring range temperature outdoor – 50…+70°C Delivery contents Base station, temperature transmitter, instruction manual Maximum range 100 m Sender im Lieferumfang 30.3212.02 Transmission frequency 433 MHz Measuring range temperature indoor 0…+50°C Material Plastic Assembling To be hung or freestanding Power consumption Batteries Batteries 2 x AAA 1.5 V (base station), 2 x 1.5 V (transmitter) Batteries included No Dimensions (L) 82 x (B) 25 (72) x (H) 152 mm Weight 125 g