Cheffort Air Quality Monitor,6.3“LCD Screen,Formaldehyde Detector,Temperature & Humidity Meter,Pollution Tester;Detect…

Amazon.com Price: 89.95 (as of 01:16 EST- More info)

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Understand the air around your life: The air quality tester has a built-in professional detection sensor that can accurately track air quality, including HCHO (formaldehyde), CO2, PM2.5, PM1.0 and PM10 (particulate matter), TVOC (total volatile organic compounds), AQI,temperature and humidity.
Portable carbon dioxide detector: portable detector, palm-sized, easy to carry, can detect the gas quality in the bedroom, living room, kitchen, office, school, hotel, campground and other environments. These data can indirectly understand the existence of second-hand smoke and mold, which can issue health warnings.