Measuring humidity range: 10%-99%, humidity measurement accuracy: 5%(at room temperature 25). Reliability, measured once every 10 seconds, provides the latest and accurate reading.Measuring temperature range: -50 ~ +70, temperature measurement accuracy: 1.0. You can see the current room climate and use a humidifier to adjust the temperature and humidity of the room as needed.Mini Digital Hygrometer Thermometer easily knows the current humidity and temperature, Embedded opening size or fixed with double-sided tape.digital humidity meter thermo-hygrometer is very popular and is commonly used in living room, greenhouse, musical instrument dream, wine cellar, basement, warehouse, grain storage, baby room, wardrobe.Hygrometer Powered by two LR44 button cell (Included), Battery working to 8 months.Material: plasticcolour: blackPackage Contents:8 x thermometerOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.