9-in-1 Air Quality Detector CO2 Monitor co, hcho, tvoc, c6h6, aqi, noise Level Detector Formaldehyde Temperature Humidity Meter

Battery Included : Yes High-concerned chemical : None Model Number : 9-in-1 Air Quality Detector With LCD Screen Or Not : Yes Gas Type : Multifunctional DIY Supplies : Electrical Brand Name : Aideepen Origin : Mainland China Certification : CE,RoHS Product Name : Digital Air Quality Monitor Feature : Multifunctional Temperature Humidity Tester Home Air Detector Type : CO2 CO TVOC HCHO C6H6 AQI Meter Function 1 : Air Quality Detecting Function 2 : Noise Level testing