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)"}}