Feature 1Air Comfort Level Display: It is divided into dry/humid, and it is a good helper for controlling temperature and humidity detection. 2High Accuracy: There are 2 ventilation slots on the thermometer and hygrometer, through which the wind can obtain accurate data in time. 3F/C Display Choose: With a button on the back, you can quickly switch between Fahrenheit and Celsius. 4Memory Function: Thermohygrometer can memorize the highest and lowest temperature and humidity within 24 hours. 5Wide Use: Thermometer hygrometer is an ideal product for use in baby rooms, greenhouses, offices or wine cellars.Item Type: Digital ThermometerMaterial: ABSSize: Approx. 7 x 7 x 1.5cm / 2.76 x 2.76 x 0.6inGross weight: Approx. 90g / 3.2ozTemperature Accuracy: -9.9-60C (14.2F-140F) + 1Humidity Accuracy: 20%~95% 3%RHRefresh Time: 10s Fast ResponseTemperature 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 levelLOW: The lowest value of 24-hour memory levelColor Automatic Environment and Climate Reminder:1. Drying: Any temperature, humidity less than or equal to 29%, display DRY icon2. Comfort: When the temperature is between 1826 and the humidity is between 30%69%, the COMFORT icon will be displayed3. Humidity: At any temperature, when the humidity is greater than or equal to 70% to 95%, the WET icon will be displayed .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Package List1 x Temperature and Humidity Meter1 x Manual1 x Adsorption SheetNote1. Not suitable for sauna room use.2. Before use, you need to tear off the isolation sheet of the battery slot on the back of the product.