Photo 1 of 12-in-1 Air Quality Monitor, Indoor CO/CO2/TVOC/HCHO/AQI/PM2.5/PM10/Thermometer/Humidity/Date and Time/App & WiFi/Curve Function Monitor, Portable Carbon Monoxide Detector for Home Office Shcool

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Photo 1 of 12-in-1 Air Quality Monitor, Indoor CO/CO2/TVOC/HCHO/AQI/PM2.5/PM10/Thermometer/Humidity/Date and Time/App & WiFi/Curve Function Monitor, Portable Carbon Monoxide Detector for Home Office ShcoolPhoto 2 of 12-in-1 Air Quality Monitor, Indoor CO/CO2/TVOC/HCHO/AQI/PM2.5/PM10/Thermometer/Humidity/Date and Time/App & WiFi/Curve Function Monitor, Portable Carbon Monoxide Detector for Home Office Shcool