I have had this AIR QUALITY DETECTOT for a year and a half now. At first I was curious how high the CO2 level is in my apartment and compared to the air outside it is not much higher. I can't vouch for absolute accuracy now, but I can say that LNTEGRTED DETECT ION seems to be working. . For example, I see the CO2 levels go up when I use my SodaStream and you can see in the attached photo that a lot of things went up to high levels after I wiped them down with alcohol. So I trust him for an overall score. In addition to the hopefully accurate raw scores, there are two GUT levels (lower is better, my flat is usually level 2) and four POI IUTE levels. So if the numbers don't tell you much, you can at least get a rough idea of just how toxic your air can be. Now, of course, there is a feast for the eyes in the room. English That's not believable, of course, but it's pretty funny. From the photos of others they have attached the label on the front but you can still see it listed. The LCD is a lost cause. Anyway it's good overall. A little weird with English and I don't know how precise it is, but it gets the job done if you want the general idea. And for this kind of use, I definitely recommend it!
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