ThermoPro TP157 4 Pack Hygrometer Indoor Thermometer for Home, Digital Room Thermometer with Temperature Humidity Sensor for Greenhouse Office Cellar

High Accuracy & Fast Refresh Rate: Temperature humidity gauge is equipped with a high-performance humidity temperature sensor with an accuracy of up to ±1℉/±2%-3%RH, and a refresh rate up to 10s, allowing you to adjust humidistat in time Easy-reading LCD: Room thermometer indoor mini hygrometer features a clear display with compact digits which allows you to view readings from various angles even at a long distance Face Icon Comfort Indicator: Room temperature monitor dispalys three face icons which represent DRY/COMFORT/WET to visually inform you of the current air conditions, quickly adjust your humidifier to better protect your health Convenient Placement: Wall thermometer indoor is designed with tabletop stand, magnetic back and hanging hole, easily place the hydrometer digital anywhere specially small spaces such as humidor, incubator and refrigerator, etc.