• Smart digital thermometer hygrometer that facilitates precise measurement of temperature and ambient humidity in indoor spaces. • Temperature measurement range: -50 ℃ to 70 ℃, with an accuracy of ±1 ℃. Measurement conditions are updated every 10 seconds for greater accuracy. • Indoor/outdoor humidity measurement in a range of 10% RH to 99% RH, with an accuracy of ±5% RH. • Mini, compact, and lightweight design (4.3 x 4.3 x 1.3 cm, 21 g), ideal for saving space and easy to carry. • Powered by a CR2032 battery (included), offering up to 12 months of autonomy. • Recommended for use in homes, offices, cars, schools, hotels, laboratories, nurseries, aquaculture, instrument workshops, libraries, and factories.