Features: High precision thermo hygrometer Indoor thermometer with built-in high precision temperature sensor and humidity sensor that automatically updates every 10 seconds. The temperature measurement range is from -50 to 70 and the humidity measurement range is from 10% to 99%RH, accuracy up to 1C and 5% RH. Air comfort indicator The room thermometer hydrometer has 2 smiling symbols that indicate the current state of the air. Ideal to monitor the living conditions and health of your home and regulate it through targeted heating and ventilation to prevent colds, dry skin, asthma, and more. Clear LCD Display Digital Hygrometer inside has a clear LCD display, larger fonts indicate the current temperature and humidity. Flexible mounting The room thermometer inside has three placement options: upright/table stand/fixed to the wall with double-sided adhesive tape. The small and compact size is enough to take it with you to save space. Durable and ready to use Each temperature and humidity meter is powered by a durable 3V CR2032 battery installed in the temperature meter and ready to use immediately. Widely used in refrigerator, baby room, living room, cellar, greenhouse, office, wine cellar, and other places. Specifications: *Product Name: Digital Thermometer Indoor *Material:ABS *Size: 45*45mm *Color: white *Battery: 2032 (included) *Temperature measurement range: -50 ~+70 *Humidity measurement range: 10% -99% RH *Temperature resolution: 0.1 *Humidity measurement accuracy: 5% RH *Quantity: 2pcs, 4pcs Package Content: 2/4X LCD Thermometer Hygrometer