There are many reasons to buy a hygrometer. A hygrometer keeps the humidity in your home in check to protect appliances and furniture from damage. Hygrometers also help prevent health problems associated with too low or too high humidity, such as: B. the formation of mold. Another big advantage of a hygrometer is its use in greenhouses and gardening. Overall, a mini hygrometer is essential for correctly measuring indoor humidity and temperature anytime, anywhere. This meter is suitable for incubators, offices, bedrooms, incubators, cigar rooms and rooms where temperature and humidity levels need to be monitored.