6 In 1 Multifunctional Air Quality Monitor Household Formaldehyde TVOC HCHO PM2.5 CO Air Quality Tester Carbon Dioxide Detector

Good luck with your favorite purchasesBattery Included : Yes High-concerned chemical : None With LCD Screen Or Not : Yes Gas Type : Multifunctional DIY Supplies : Woodworking Brand Name : Shunmaii Origin : Mainland China