Feature 1Comprehensive air quality monitor, at the same time up to 11 types of elements in the air can be tested. 2Gas cell adopts electrochemical and catalytic combustion sensors to make it highly sensitive and repeatable. 3TVOC measurement unit uses high sensitivity gas detection probes and high performance signal acquisition circuits, with stable signals and high accuracy. 4Can detect temperature, humidity, PM2.5, PM10, air pressure, light, TVOC, CO2, formaldehyde, O3, CO, CH4, O2, SO2, NO2, H2, H2S, NH3. 5Widely used in building HVAC, building energy saving, smart home, schools, hospitals, airport stations and other places.Item Type: Air Quality MonitorMaterial: ABSSize: Approx. 16.5 x 16.5 x 5cm / 6.5 x 6.5 x 2.0inLine Length: Approx. 26.5cm / 10.4inDC Power Supply (Default): DC 10-30VMaximum Power Consumption: 0.5W (24V DC Power Supply)Working Environment: Temperature -10-55; Humidity 0-95%RHDetection Parameters: Temperature, Humidity, PM2.5, PM10, Air Pressure, Light, TVOC, CO2, Formaldehyde, O3, CO, CH4, O2, SO2, NO2, H2, H2S, NH3Signal Output: RS485 OutputInstallation Type: Wall Hanging, CeilingApplication: Widely Used in Building HVAC, Building Energy Saving, Smart Home, Schools, Hospitals, Airport Stations and Other Places.PM2.5+PM10: 111Air Pressure: 61 Light: 61TVOC: 151 CO2: 221Formaldehyde: 184 Ozone: 368Oxygen: 276 H2S: 221Methane: 92 CO: 184NO2: 644 SO2: 690Hydrogen: 598 Ammonia: 552Weight: Approx. 389g / 13.7oz .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Package List1 x Air Quality Sensor4 x Screws4 x White Accessories1 x User Manual