5 in 1 Digital Temperature Humidity Tester Multifunctional Carbon Dioxide TVOC HCHO Detector for Home School Hotel Office Car

High-concerned chemical : None Origin : Mainland China Certification : None Portable CO2 Meter : Temperature Humidity Tester Carbon Dioxide TVOC HCHO Detector : Air Quality Monitor Origin : Mainland China 0~799PPM : pointing to green light 800~1199PPM : pointing to yellow light 1200~1599PPM : pointing to orange light 1600PPM and above : pointing to red light 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 Material : ABS Screen resolution : 240*240 Response time : <1s Working voltage : 5V/1A adapter charging (Type-C interface) Maximum power : Charging current 600mA 3.7V lithium battery Battery capacity : 1200mAh Battery type : lithium battery Charging method : USB Charging time : about 1 hour Product size : about 90.00x70.00x35.00mm,3.54x2.76x1.38inch