This modern thermo-hygrometer with an ultra-flat and glossy design is an ideal measuring instrument for monitoring the indoor climate. You can easily keep an eye on the temperature and humidity and regulate it with targeted heating and ventilation when the values are outside the comfort zone. If a smiling smiley, the values are optimal. Maximum and minimum values are recorded and displayed at the push of a button. For a healthy indoor climate. Monitoring of indoor temperature and humidity. Maximum and minimum values. With smiley as comfort zone indicator. Ultra-flat and glossy design. ng up or place. Why the indoor climate is important for health People spend at least two thirds of their lives indoors. Whether we feel comfortable and at ease on site depends largely on the quality of the room air. Damp rooms promote the formation of mold, but too dry air is also rmful to health and pets, plants, wooden floors and antique furniture. A relative humidity of 40 to 60% minimizes pathogens and thus respiratory diseases. Technical details: thermo-hygrometer, battery, user manual (English language not guaranteed). Material: plastic. Temperature measuring range: 0 to 50 C (+32 +122 F). Measuring range humidity: 20-95% relative humidity. Battery required: 1 x CR2025 (included). Dimensions: (L) 100 x (W) 12 x (H) 82 mm. Weight: 70 g.