Product Package Content: 1 * Indoor Analog Hygrometer Thermometer 1.Very Reliable - Thermometer-Hygrometer with reliable measurement values to control air humidity and temperature for comfortable and healthy indoor climate - Especially suitable for use in living rooms and offices (not for the sauna). 2.Ready to use - The device is factory calibrated and ready to use. Calibration screws are available for fine adjustment. - 3.Very - The whole case and removable bracket are made of stainless steel, and the quality aluminum dial is very carefully crafted - stainless, very sturdy, durable, decorative and provides an elegant touch. 4.Convenient display - Humidity and temperature are displayed analogically and are easily readable on the large 12 cm screen - Comfort zones are marked by color and indicate when a ventilation or an increase in air humidity must be performed. 5.Durable - Unlike digital devices, this quality hygrometer operates without batteries or liquids, which protects our environment and saves you additional costs.