HCHO detection range: 0-9.999mg/m³ HCHO detection range: 0-9.999 mg/. m³ TVOC: 0-9.999mg/m³. PM10 detection range: 0-999ug/m³. PM2.5 detection range: 0-999ug/m³. 1 Air Detector. Portable Size: This monitor is small in size, you can use it on your desk without taking up too much desk space, and it is easy to carry.
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