TFA DOSTMANN 30.3045.It Bel-Air Radio Weather Station

Window open or closed? Finding the ideal indoor climate is not so easy and ventilation isn´t always the first choice. Depending on the weather, the air quality may even deteriorate. The BEL-AIR wireless thermo-hygrometer from TFA is the practical help you need.Internal sensors measure the indoor temperature and humidity and display the quality of the indoor air on the coloured scale.At the same time, the outdoor transmitter determines the temperature and humidity in the open air and it is calculated whether the room humidity rises, remains the same or decreases by opening the windows. In this way, you can immediately take therequired steps, ensure a comfortable and healthy indoor climate and prevent the formation of mould. Function: - Simultaneous check of indoor and outdoor climate - Ventilation tips, when opening or closing windows will improve the indoor climate - Wireless transmission of outdoor temperature and humidity via transmitter - Indoor temperature and humidity with coloured comfort-level zones for a healthy room climate - Max.-min. function - Registered TFA design Specifications: - Measuring range temperature outdoor: -40...+60°C (-40...+140°F) - Delivery contents: Base station, thermo-hygro transmitter, instruction manual - Measuring range humidity outdoor: 1...99% - Maximum range: 100 m - Transmitter included in delivery: 30.3187.IT - Transmission frequency: 868 MHz - Measuring range temperature indoor: -10...+60°C, (+14...+140°F) - Measuring range humidity indoor: 20...95% - 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) 95 x (B) 20 (65) x (H) 158 mm - Weight: 119 g