Digital Thermometer Hygrometer Large Screen Household Indoor Temperature and Humidity Meter Monitor Item Type: Digital Thermometer Material: ABS Size: Approx. 7 x 7 x 1.5cm / 2.76 x 2.76 x 0.6in Gross weight: Approx. 90g / 3.2oz Temperature Accuracy: -9.9°С-60°C (14.2°F-140°F) + 1°С Humidity Accuracy: 20%~95% ±3%RH Refresh Time: 10s Fast Response Temperature Switch: Fahrenheit/Celsius Conversion ℉/℃ Power Supply: A CR2032 Button Battery 150mah (Included) Memory Temperature and Humidity: HIGH: The highest value of the 24-hour memory level LOW: The lowest value of 24-hour memory level Color Automatic Environment and Climate Reminder: 1. Drying: Any temperature, humidity less than or equal to 29%, display DRY icon 2. Comfort: When the temperature is between 18℃～26℃ and the humidity is between 30%～69%, the COMFORT icon will be displayed 3. Humidity: At any temperature, when the humidity is greater than or equal to 70% to 95%, the WET icon will be displayed