co2 pm2 5 hcho tvoc gas analyzer

{"cid":"91189666","title":"Air Quality Monitor Test CO2 HCHO (Formaldehyde) TVOC Gas Detector Analyzer Meter With USB Charger","imgUrl":"https:\/\/img.chinax.com\/nimg\/91\/e0\/d9c6b366dbcdde5bc409ea5a5712-200x200-1.jpg","attrs":{"Price":"Negotiable","Brand Name":"YuanTe","Model Number":"SKY2000","Minimum Order Quantity":"1 piece","Delivery Time":"3-5 working days","Certification":"CNEX,ISO9001,CE","Place of Origin":"China","Payment Terms":"Western Union, T\/T","Supply Ability":"100 pieces\/week","Packaging Details":"Aluminum Suitcase","Product Name":"Air Quality Monitor Detector","Test Gas":"CO2 HCHO TVOC etc","Charging Method":"USB Charger","Product Color":"Yellow","Sampling Type":"Pump","Product Package":"Aluminum Suitcase"}}