Delicate Design; 2.8 inches, holder and hanging design. Powered by 2xAAA (excluded)
Indicate COMFORT default: The temperature range is 20 to 30 degrees Celsius or 68 to 86 degrees Fahrenheit, and the relative humidity is 40 to 70% RH
Max and Min Records: Instant Reading, view the Max and Min temperature and humidity at any time
3 levels indicate the air quality: DRY. COMFORT, and WET, work for Indoor or Outdoor
User-Friendly Interface: Features three buttons on the rear, toggle between Fahrenheit and Celsius; use the CLEAR button to reset the highest and lowest temperature and humidity records; control the backlight to turn it ON or OFF.