High-precision Thermo HygrometerIndoor thermometer with built-in high-precision temperature sensor and humidity sensor, which are automatically updated every 10 seconds. The temperature measurement range is from -50 ~ 70 and the humidity measurement range is from 10% ~ 99%RH, accuracy up to 1C and 5%RH.Air Comfort IndicatorThe room thermometer hydrometer has 2 smiling symbols that show the current condition of the air. Ideal for monitoring and regulating the living conditions and health of your home through targeted heating and ventilation to prevent colds, dry skin, asthma, mold and more.Clear LCD DisplayDigital hygrometer interior has a clear LCD display, larger fonts show the current temperature and humidity. Even if the distance is far, you can read the measured value.Flexible mountingThe room thermometer inside has three placement options: upright/table stand/attached to the wall with double-sided adhesive tape. The small and compact size is enough to take with you to save space.Energy-saving batteryEach temperature and humidity meter is powered by a long-lasting 3V CR2032 battery installed in the temperature meter and ready to use. Widely used in refrigerator, baby room, living room, basement, greenhouse, office, wine cellar and other places.