The hygrometer thermometer with temperature and humidity icons can quickly display the comfort level of indoor air, helping to adjust the settings of the humidifier, dehumidifier and humidistat. Indoor thermometer larger font displays the current temperature and humidity, even if the distance is far, you can read the measured value, The readings are updated every 10 seconds to give you the latest and most accurate temperature and humidity readings. Our upgraded mini thermohygrometer adds a key switch and ℃/℉ conversion function, Long press on/off，Quick press twice to switch between ℃/℉, Powered by 1*CR2032 (battery included). Indoor hygrometer measurable temperature range: -20℃~+60℃ , temperature measurement accuracy: ±1.0℃(±1.8°F),Measurable humidity range: 10%RH~99%RH,Humidity measurement accuracy: ±5%. The LCD digital indoor hygrometer thermometer is very popular, widely used in living room, counter, baby room, kitchen, basement, office, greenhouse, guitar room, garden and cellar.