Features & Merits

1. Convenient to carry with exquisite design;

2. PM2.5 concentration and ambient temperature display together on screen;

3. Six emoticons to indicate PM2.5 concentration grade (top quality, good, mild, moderate, severe, poison);

4. Designed with laser sensor for auto calibration & real-time test;

5. Can continuously work for 4hrs with rechargeable polymer battery;

6. Equipped with wall & car mounts for application in various environments;

7. Test with one key, over-range indication;

8. °C/°F unit switching