This is an indoor air quality sensor that measures T, r.H., CO2, TVOC, PM2.5 plus light and noise. It is compact in design and offers both wired communication via BACnet IP / MSTP and wireless communication via LoRaWAN.
The QNA series includes QNA2600D, QNA2700D, and QNA2820D. Additional variants include QNA2700D.BA1, QNA2700D.BA2, QNA22820D.EU, QNA2820D.US, and QNA2820D.AU.