Air Quality Monitor Indoor，Formaldehyde Detector. Keep Track of The Indoor VOC Concentration and Know The Temperature and Humidity.

Air Quality Monitor, Formaldehyde Detector, Pollution Monitor, Temperature & Humidity Meter, Dust Tester, Detect Indoor HCHO/TVOC/PM2.5/PM10/PM1.0, Colorful LCD Screen & USB Charging

LEVOIT Core 300 Air Purifier Toxin Absorber Replacement Filter, 3-in-1 HEPA, High-Efficiency Activated Carbon, Core300-RF-TX