four in one portable multigas detector

{"cid":"91223243","title":"Dustproof Portable Multigas Detector Monitor For LEL Oxygen H2S CO Carbon Monoxide","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/aa\/32\/10b73fd06876c36b1baa4bdf40ec-200x200-1.jpg","attrs":{"Price":"$29 - $169","Brand Name":"GZAIR","Model Number":"X-4","Minimum Order Quantity":"10","Delivery Time":"5-8 work days","Certification":"CE","Place of Origin":"China","Payment Terms":"D\/A,D\/P,T\/T,Western Union,MoneyGram","Supply Ability":"10000 pieces per month","Packaging Details":"48cm*44cm*39.5cm\/carton","EX Detection range\/Resolution":"(0~100)%LEL, 1%LEL","H2S\tDetection range\/Resolution":"(0~100)PPM, 1PPM","CO Detection range\/Resolution":"(0~1000)PPM, 1PPM","O2 Detection range\/Resolution":"(0~30)%VOL, 0.1%VOL"}}

{"cid":"91200158","title":"Ms104k-S Portable Multigas Detector Four In One Ultra Low Power Consumption","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/ec\/ae\/05eb8db5bde48af72dda89672270-200x200-1.jpg","attrs":{"Brand Name":"Zetron","Model Number":"MS104K-S","Minimum Order Quantity":"1","Delivery Time":"3-7 days","Certification":"CE, ISO13485, ISO9001","Place of Origin":"China","Payment Terms":"T\/T, Western Union, MoneyGram","Supply Ability":"1000 set\/month","Packaging Details":"paper carton","Detection range":"0-10, 100ppm, other ranges can be customized","Gas unit":"PPM, mg\/m3, Vol%, LEL%, PPHM, ppb, mg\/l.","Explosion-proof mark":"Exia II CT4 Ga","Working temperature":"-40\u2103~+70\u2103","Dimension":"130\u00d768\u00d734mm(L\u00d7W\u00d7H)","Weight":"200g"}}