INKBIRD Bluetooth Thermometer Hygrometer ITH-13-B (2 Packs), Indoor Temperature and Humidity Monitor with APP Control, Custom Comfort Level

2.3 Inches Big LCD Screen: The LCD screen clearly displays the current temperature and humidity, the max/min values for the past 24 hours/48 hours/All times and the real-time air comfort level. The specially designed air comfort level indicator helps you understand the indoor air quality with ease, and the comfort level range is user-defined in the INKBIRD app, making it more helpful in maintaining an ideal living environment for sensitive group