10 IN 1 Air Quality Monitor CO2 CO Tester TVOC HCHO PM Formaldehyde Detector Temperature Humidity Meter with 2.8In TFT Display

Battery Included : Yes High-concerned chemical : None With LCD Screen Or Not : Yes Gas Type : Multifunctional DIY Supplies : Woodworking Origin : Mainland China Certification : NONE Origin : Mainland China CO2 measurement range : 400-5000ppm CO2 measurement accuracy : 150PPM Temperature measurement range : 0-50C Temperature measurement accuracy : 1C Humidity measurement range : 0%-99%RH Humidity measurement accuracy : 2%RH HCHO : 0-0.6mg/m TVOC : 0 -2.0mg/m Screen size : 2.8 inches