AODE&reg; Digital Large LCD Indoor Hygrometer Thermometer Humidity Easy Read Display 130021 Humidity level plays an essential role in a comfortable and hygienic environment. Now, you can use this all-in-one hygrometer displays indoor relative humidity level. The large LCD display will make Widely used for the measurement of the temperature and humidity in houses, offices, workshops, Device dimensions: 8.5cm x 9cm x 2cm; LCD Screen dimensions: 62 x 45 mm Reads in Celsius and Fahrenheit Optional; Indoor temperature measurement range: -10C ~ + 50C