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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 hanging & car mounts for application in various environments;
7. Test with one key, over-range indication;
8. °C/°F unitswitching