Function ERVIEW Wireless transmission of outdoor temperature and humidity via transmitter Indication of indoor temperature and humidity Max.-min.- function for temperature Weather forecast Tendency of atmospheric pressure Absolute and relative atmospheric pressure, bar graph indication of atmospheric pressure for the last 12 hours Clock with alarm and date Sunrise/sunset time and length of day in 150 European cities Moon Phase Registered TFA design TFA Quality mark: Swiss Precision SensorIT Instant Transmission Product information for download: Technical data Delivery contents Base station, thermo-hygro-transmitter, instruction manual Measuring range temperature outdoor -40…+60°C Measuring range humidity outdoor 1…99% Maximum range 100 m Sender im Lieferumfang 30.3187.IT Transmission frequency 868 MHz Measuring range temperature indoor -10…+60°C Measuring range humidity indoor 20...95% Clock Quartz clock Material Plastic Assembling Wall mounting or free-standing Power consumption Batteries Batteries 2 x C 1.5 V (base station), 2 x AAA 1.5 V (transmitter) Batteries included No Dimensions (L) 184 x (B) 40 (63) x (H) 188 mm Weight 297g