10-in-1 Air Quality Monitor Real-Time HCHO Detector with Display Temperature Humidity Detector for Home Office School

Battery Included : Yes High-concerned chemical : None With LCD Screen Or Not : Yes Gas Type : Multifunctional DIY Supplies : Woodworking Origin : Mainland China Certification : None Air Quality Monitor : Air Quality Tester Air Quality Meter : CO2 Tester HCHO Detector : Temperature Humidity Detector 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 Screen type : TFT-LCD Screen material : glass Screen resolution : 240*240 Response time : <1s Working voltage : 5V/1A adapter charging (Type-C interface) Built-in lithium battery : 2000mAh Rated voltage : 3.7V Charging time : 3-4 hours Usable time : 24 hours Shell material : ABS Product size : about 90.00x70.00x35.00mm/3.54x2.76x1.38inch