WiFi 15-in-1 Indoor Air Quality Monitor TFT Display Household CO CO2 TVOC HCHO Tester APP Control Multifunctional Clock

It's a great honor for you to visit my store. Good luck with your favorite purchasesBattery Included : No Hign-concerned Chemical : None Is Smart Device : Yes Model Number : Air Quality Detector With LCD Screen Or Not : Yes Gas Type : Multifunctional DIY Supplies : Woodworking Brand Name : Shunmaii Origin : Mainland China Certification : None Origin : Mainland China DIY Supplies : Woodworking Gas Type : Multifunctional With LCD Screen Or Not : Yes Is Smart Device : YES Material : Plastic Battery : 2000mAh polymer lithium battery (included) Working voltage : 3.7V Working current : 260mA Carbon dioxide detection range : 400-5000PPM, 505%PPM