USB Mini PM2.5 Detector Rechargeable Air Quality Tester Monitor with LED Display Portable Electrical Measurement Accessory

Features:
Advanced sensor detection technology accurately detects PM2.5 in the air and converts it into a digital display, to display different air quality level warnings in different colors.
Suitable for daily air quality monitoring.
Detection of PM2.5 results in more stable and accurate.
Built-in rechargeable battery, 1200mAh large capacity, support 4-6 hours of continuous operation.
Light weight and compact size, easy to carry, and can be carried at will.
Suitable for a variety of occasions such as office, home, garden, car, etc. to keep abreast of the air quality around you.