VERY RELIABLE - Thermometer - Hygrometer with reliable measurements to monitor humidity and air temperature for a comfortable and healthy indoor climate - particularly suitable for living rooms and offices (not suitable for saunas). Ready to use - The device is factory calibrated and ready to use. Calibration screws are available for fine adjustment. - HIGH QUALITY - The entire case and removable stand are made of high quality stainless steel, the premium aluminum dial is carefully crafted - stainless steel, very strong, durable, decorative and elegant to the touch. PRACTICAL DISPLAY - Easy to read analogue humidity and temperature display on the large 12 cm display - The comfort zone is color coded and indicates when ventilation or air humidity needs to be be increased. DURABLE - Unlike digital devices, this premium hygrometer works without batteries or liquid substances, protecting our environment and saving you additional costs.