Function Wireless transmission of outdoor temperature via transmitter Indication of indoor temperature Permanent indication of max. and min. values with manual reset Backlight Registered TFA design Product information for download: Technical data Delivery contents Base station, temperature transmitter, instruction manual Measuring range temperature outdoor – 50…+70°C Maximum range 100 m Sender im Lieferumfang 30.3212.02 Transmission frequency 433 MHz Measuring range temperature indoor 0…+50°C Material Plastic Assembling Wall mounting or free-standing 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