Air Quality Monitor Portable Formaldehyde Detector

Features:
Adopts semiconductor gas sensor, air convection detection, quickly and accurately detects harmful gas in your home.
Displays formaldehyde (HCHO), PM2.5 (press Fn to change PM1/ PM2.5/ PM10) and TVOC concentration.
Detects formaldehyde and TVOC (includes benzene) concentration in the air, widely used in home, car, hotel, apartment, office, outdoors and more.
Alarm fucntion: when the formaldehyde concentration is more than 0.3mg/m3 or PM2.5 is more than 250, the buzzer will beep 5 times to remind you.
Built in 2600mAh large capacity rechargeable battery, portable and lightweight, suitable for both home use and outdoor use.
Large LED screen, clear to read even in dark environment. Low battery prompt, LED light flashes to remind you of charging it in time.
Air Quality:
Good air quality: formaldehyde concentration0.1mg/m3
Exceed the standard: 0.1mg/m3＜formaldehyde concentration0.3mg/m3, or PM2.5＞120
Severely exceed the standard: formaldehyde concentration＞0.3mg/m3, or PM2.5＞250
Note: Please ventilate the product for 3-5 minutes and calibrate it before detecting.