Air Quality Monitor Tester, Indoor Pollution Alarm Detector, CO2, HCHO, TVOC, Temp and Humidity Real-Time Readings 5 in… Price: 39.99 (as of 08/04/2023 22:30 PST- Details)

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Multifunctional Air Quitly Detector : 2022 New Pro Ver.5-in-1 air quality monitor have several indications of air , including CO2/HCHO/TVOC/ Temperature/Humidity, real-time refresh and reading, more accurately track air quality.
High Performance: The indoor air quality meters use powerful high-performance analysis chip and more advanced algorithms, and through various certifications more accurate detection.