Keep an eye on your indoor environment with this 5-in-1 Air Quality Monitor, designed to detect and display CO2, HCHO (formaldehyde), TVOC, temperature, and humidity levels. The compact civilian-grade air quality tester features a clear display, adjustable brightness, alarm function, °C/°F switching, and selectable auto-shutdown settings. With a 3.7V 750mAh polymer lithium battery and compact design, it’s a handy choice for home, office, bedroom, and everyday air quality monitoring.
