multiple alarm methods 4 in 1 gas detector

{"cid":"91200158","title":"Compact and Lightweight Portable Multi Gas Detector with Real-Time Monitoring and Multiple Alarm Methods","imgUrl":"https:\/\/img.ismap.com\/nimg\/8b\/ea\/599230dde6979d53e8a83d6f1522-200x200-1.jpg","attrs":{"Price":"85usd\/pc","Brand Name":"Zetron","Model Number":"MS104K-new","Minimum Order Quantity":"1","Delivery Time":"1 week","Certification":"CE\/ATEX","Place of Origin":"Beijing, China","Payment Terms":"T\/T","Packaging Details":"30X20X15cm, 2kg","Type":"detector","Gas unit":"PPM, mg\/m3, Vol%, LEL%, PPHM, ppb, mg\/l","customized support":"OEM, ODM, OBM, Software Reengineering","warranty":"1 year"}}

{"cid":"91188394","title":"JT ASD5336 Methane Household Combustible Gas Detector for Detecting Gas Leaks","imgUrl":"https:\/\/img.ismap.com\/nimg\/43\/b9\/a7c488a89374eadf06d6d7aad481-200x200-1.jpg","attrs":{"Brand Name":"KACISE","Model Number":"KAN111","Minimum Order Quantity":"1PCS","Delivery Time":"5-8 work days","Certification":"CE","Place of Origin":"CHINA","Payment Terms":"L\/C, D\/A, D\/P, T\/T, Western Union, MoneyGram","Supply Ability":"1000 Piece\/Pieces per Week negotiable","Packaging Details":"each unit has individual box and all boxes are packed in standard packages or customers requests available","Detected Gases":"Methane (natural gas), Carbon monoxide","Ambient Air Pressure":"86KPa - 106KPa","Response Time and Recovery Time":"\u2264 30 seconds","Specification":"ABS plastic, \u2264 150g, 112.5\u00d777.8\u00d738","Operating Temperature and Humidity":"-10\u00b0C - +55\u00b0C, \u2264 93%RH","Model Description":"JT - ASD5336 (Methane)"}}