Home-use High Accuracy LED Digital Display USB Mini Portable PM2.5 Detector Multifunctional Laser Air Tester

Features:
Mini and portable, easy to use and carry, can be placed anywhere needed.
Large screen display makes it easier to read data.
Built-in high accuracy sensor for more accurate and stable detection of PM2.5 in the air.
The different colors of the panel indicators represent different air quality levels and it is perfect for daily air quality monitoring.
The USB design is easy to use and can extend the service life.
Suitable for many occasions, such as offices, homes, gardens, vehicles, etc.
Easy and convenient to operate and read the data.