1. Display：LCD
2. Atmospheric Pressure：86Kpa-106Kpa
3. Inspection：PM2.5/Formaldehyde
4. Detection Principle：Laser Sensor
5. Sampling Time：3 second
6. PM2.5 Measuring Range：0-999µg/m3
7. Formaldehyde Measuring Range：0.000-1.999mg/m3
8. Temp./Humidity Measuring Range：-20℃~-70℃, 20%RH~90%RH
9. Condition of Environment：-20℃~-45℃
10. Input Power：5V 1A
11. Power Supply：Rechargeable Lithium batteries 2600mAH
12. Dimension：100x78x78mm
13. Weight：170g

Laser-based PM2.5 and Formaldehyde sensor, this air quality monitor can be used to accurately monitor the indoor air quality 
by measuring PM2.5, Formaldehyde, temperature and humidity. It is with the features of easy-to-read LCD screen, 
high rate of reaction and stability to the detection. It also provides AQI index and real time humidity and temperature data.