photoelectric electrochemical sensor smoke and co alarm

{"cid":"91224585","title":"Customized Smoke and Carbon Monoxide Detector with 10-Year Lithium Battery and Photoelectric\/Electrochemical Sensor for 85 dB Alarm","imgUrl":"https:\/\/img.chinax.com\/nimg\/39\/32\/240298d8fd98efe239f76443598a-200x200-1.jpg","attrs":{"Price":"Negotiable","Brand Name":"Symank","Model Number":"JKD-515COM","Minimum Order Quantity":"100pcs","Delivery Time":"5 days","Packaging Details":"Color box,size:110\u00d755\u00d7110mm,60pcs in one carton,carton size:61x30x28cm","Sensitivity":"Meets CE Standards","Humidityrange":"10% to 95% non-condensing","Certification":"CE\/ROHS\/SGS","Test Button":"Yes","Operating Temperature Range":"-10\u00b0C to 50\u00b0C","Payment Terms":"L\/C,D\/P,T\/T,Western Union","Sensor Type":"Photoelectric Sensor","Temperature Range":"-10\u00b0C to 50\u00b0C","Powersupply":"Battery Operated","Supply Ability":"50K\/Month","Sensortype":"Photoelectric\/Electrochemical sensor","Powersource":"Battery Operated","Alarm Sound Level":"85 dB at 10 feet","Operatingtemperaturerange":"-10\u00b0C to 50\u00b0C","Place of Origin":"PRC","Environmental Temperature":"-10\u2103 ~ +50\u2103","Productname":"Fire Alarm Smoke Detector","Installationtype":"Ceiling or wall mount"}}