electrochemical and infrad sensors wireless fire alarm

{"cid":"91200158","title":"110dB Smoke And Carbon Monoxide Alarm , Indoor Air Quality Detector Home 20uA 30mA","imgUrl":"https:\/\/img.chinax.com\/nimg\/c0\/fd\/5d372be069fd12e1e6ad1c7064bd-200x200-1.jpg","attrs":{"Brand Name":"Zetron","Model Number":"HY12","Minimum Order Quantity":"1 piece","Certification":"CE","Place of Origin":"China","Payment Terms":"L\/C, D\/A, D\/P, T\/T, Western Union","Packaging Details":"paper carton","Product name":"Smoke and CO Alarm Detector","Detecting Gas":"Smoke and CO\/Carbon Monoxide","Sensitive level":"CO concentration: 000-999 PPM Smoke : 0.1%db\/m-9.9%db\/m","Color":"White","Alarm mode":"audible and visual alarm","Material":"ABS Plastic","Size":"104*39mm","Weight":"130g(including battery)"}}

{"cid":"91224585","title":"433MHz Wireless Interconnected Smoke Alarms OEM Interconnected Smoke And Carbon Monoxide Detectors","imgUrl":"https:\/\/img.chinax.com\/nimg\/b0\/25\/1d14a5d8d5a43c84f5856ebe4db4-200x200-1.jpg","attrs":{"Price":"Negotiable","Brand Name":"Symank","Model Number":"JKD-515COM-R","Minimum Order Quantity":"100pcs","Delivery Time":"5 days","Name":"Wireless Interconnected Smoke Alarms","Battery Life":"Up to 10 years (for sealed battery models)","Connectivity":"Interconnected (wired\/wireless)","Sensor Type":"Photoelectric \/ Electrochemical","Type":"Smoke & CO Detector","Number Of Units Interconnectable":"Up to 24 units","Silence\/Hush Feature":"Yes, temporarily silences nuisance alarms","Interconnection Range":"Up to 1000 feet","Operating Temperature Range":"-10\u00b0C to 50\u00b0C (14\u00b0F to 122\u00b0F)","Alarm Sound Level":"85 dB at 10 feet","Power Source":"Battery-powered","Warranty":"2 years limited warranty","Test Button":"Yes, for functionality check","Installation Type":"Ceiling or wall mount","Certification":"CE\/ROHS\/SGS\/UKCA","Place of Origin":"China","Payment Terms":"L\/C,T\/T,Western Union","Supply Ability":"50K\/Month","Packaging Details":"Color box,size:110\u00d755\u00d7110mm,60pcs in one carton,carton size:61x30x28cm"}}