Indoor Air Quality Monitor, Air-Guardian AQ Air Quality Meter detect PM2.5, PM10, CO2, VOC, Formaldehyde, Humidity, Temp Air Quality Tester Multifunctional PM2.5 Monitor for Home, Office or School

SMART AIR QUALITY SENSOR: Air-Guardian AQ air pollution detector is fast-responding and sensitive with a nondispersive infrared sensor (NDIR) and advanced particle sensor that monitors AQI PM2.5, PM10, tVOCS, HCHO, CO2, humidity, temperature and time.
UPDATE FOR BETTER: The colorful bar and the optional buzzer warn you when the AQI gets too high. Turn off the buzzer by pressing the button. Increased battery capacity, 2600mAh battery provides longer battery life that monitors your air quality for hours at a time on a single charge.
PREVENTING DAMAGE CAUSED BY EXCESSIVE WILDFIRE: Long-term monitoring of CO2, particulate matter, and VOCs is crucial If you live where there is a risk of fire. By measuring particulate pollution, an air quality tester can help you know when to change your home’s air filter or open window.
ENERGY-SAVINg: The Air-Guardian AQ indoor air quality meter has added a SCREEN DARKENING design. The screen will be dimmed after 4 minutes and 20 seconds of use, so that it will not affect your sleep even in the bedroom at night, and it is more power saving.
AVAILABLE ANYWHERE: Monitor the air quality around you in real-time with the large LCD display. Suitable for hotels, schools, offices, etc. One-year warranty, any questions, please feel free to contact us.