6-in-1 Indoor Air Quality Monitor, Detects CO2, PM2.5, PM10, AQI, Temperature…
When the AQI index exceeds 100, the detector will sound. 6-in-1 Indoor Air Quality Monitor, Detects CO2, PM2.5, PM10, AQI, Temperature and Humidity, For Rooms, Cellars, Grow Tents, Offices, etc. (PTH-9A) Notes: 1.