Air Quality Tester, Black LED Display Rechargeable Large Capacity Accurate Air Quality Pollution Monitor Meter PM2.5 Detector for Home Office
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Precision laser sensor detection - Advanced laser sensor detection technology accurately detects PM2.5 in the air and converts it into a digital display, to display different health level warnings in different colors. More accurate results - Laser scanning detection of PM2.5 results in more stable and accurate detection than infrared sensors. Rechargeable - Built-in rechargeable battery, 1200mAh large capacity, support 4-6 hours of continuous operation. Multi-purpose - It is suitable for a variety of occasions such as office, home, garden, car, etc., to keep abreast of the air quality around you. Small and exquisite - The volume is only 7 cubic inches, easy to carry, and can be carried at will.