Advantages of the TFA Dostmann digital thermo-hygrometer: Measures temperature and humidity With coloured comfort zones for a healthy indoor climate Max. min function 12 hours. Humidity gradient. Alarm function in case of mould risk comfort zones. Indicator: coloured comfort zones indicate whether the values are ideal, too damp or too dry. This allows you to create optimal values in your home by targeted heating and ventilation. Technical data: measuring range temperature: 0...+50°C (32... +140°F), material: plastic, measuring range humidity: 20-95%, mounting: for hanging or standing, power supply: batteries, batteries: 2 x 1.5 V AAA (not included). Dimensions: (L) 86 x (W) 21 (58) x (H) 120 mm Weight: 100 g Box contents: thermo-hygrometer, instruction manual The family business TFA Dostmann with headquarters in Wertheim am Main specialises in the production of high-quality weather and measuring technology. It is one of the industry leaders and has already launched over 1000 products related to weather, temperature, humidity and time measurement.