Mini High Precision Digital Indoor Thermometer Hygrometer, Temperature and [Smart Digital Thermometer Hygrometer] The mini digital humidity meter thermometer allows you to easily know the temperature and humidity of the environment around you.[Temperature Measuring Range] Temperature measuring range: -50 ~ 70 . Temperature measurement accuracy: 1 . The measurement conditions are refreshed every 10 seconds.[Humidity Measurement Accuracy] Indoor / Outdoor Humidity Measuring Range: 10%RH-99%RH . The accuracy of humidity measurement deviation: 5%RH [Small and long battery life] - This hygrometer thermometer (4.3 * 4.3 * 1.3 cm, weighs only 21 g.) Small, durable and portable enough to save space and carry. Powered by CR2032 (battery included), battery life up to 12 m [Widely Application] The hygrometer thermometer can be applicable to home, office, car, schools, hotels, laboratories, kindergartens, aquaculture, instrument workshop, libraries, schools, factories and places with air conditioning, etc. Delivery quantity: 1 piece,"