6-in-1 Air Quality Monitor Real-Time Air Quality Tester Temperature Humidity Detector for Office School & Hotel

Battery Included : No High-concerned chemical : None With LCD Screen Or Not : Yes Gas Type : Multifunctional DIY Supplies : Woodworking Origin : Mainland China Air Quality Monitor : Air Quality Tester Air Quality Meter : CO2 Tester HCHO Detector : Temperature Humidity Detector