Air-Guardian AQ Air Quality Monitor, Indoor CO2 Monitor (PM2.5, PM10, CO2, VOC,

Breathe Safely, Stay Healthy：Simbow Air-Guardian AQ 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.
Molding What You Needed: The colorful bar and the optional buzzer warns 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 monitor your air quality for hours at a time on a single charge.
Energy-Saving Design: Simbow is committed to innovation and providing customers with better products. Air-Guardian AQ have added 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.
Preventing Damage Caused By Excessive Co2: Long-term monitoring CO2, particulate matter and VOCs is crucial If you live where there is a risk of fire. By