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Joan
Reviewed in the United States on February 10, 2025
The CO2 concentration indicator with three stages is a great feature. When CO2 levels get too high, the alarm beeps and the icon flashes, reminding me to open a window. It’s a lifesaver, especially in winter when ventilation is often overlooked.
Jessica
Reviewed in the United States on February 10, 2025
I love this CO2 monitor! The readings are accurate, and it helps me keep track of indoor air quality, especially in my home office. The real-time CO2 concentration indicator is super useful for knowing when to ventilate. Highly recommended!
Heidi Kuntz
Reviewed in the United States on February 10, 2025
The large color LCD screen is fantastic! The numbers are bright and easy to read, even from a distance. The display makes it simple to check CO2 levels, temperature, and humidity at a glance, so you can always stay informed about your indoor air quality without any hassle. Great design!
hunter april
Reviewed in the United States on August 30, 2024
This quality monitor exceeded my expectations. It has 3 stages of CO2 concentration, which surprised me very much. When the measured environmental conditions are not so good, the alarm will automatically beep and the icon will flash. This is a very thoughtful reminder. It will suggest what I should do and when to do it. I like it very much.
Corey David
Reviewed in the United States on August 30, 2024
As a person with severe anxiety, I am very concerned about whether my electronic products have enough power every time I go out. I am very happy that this air quality monitor can meet my needs. Its battery life makes them very readable. I don’t need to worry about finding sockets to charge when traveling. I think I will buy it again!
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