Air Quality Tester Accurate Indoor CO2 Monitor ABS Multifunctional USB Charging Backlight LCD Screen for Office

Battery Included : No High-concerned chemical : None Is Smart Device : No Measurement Range : 400-5000 PPM Model Number : Air Quality Monitor With LCD Screen Or Not : Yes Gas Type : Co2 DIY Supplies : Electrical Origin : Mainland China Certification : None Material : ABS 1 : Air Quality Monitor 2 : Air Quality Tester 3 : Indoor CO2 Monitor 4 : Air Monitor 5 : Indoor Air Quality Meter 6 : CO2 TVOC HCHO Detector