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":"Negotible","Brand Name":"GIKAIDA","Model Number":"JKD-515COM","Minimum Order Quantity":"1K","Delivery Time":"10 Days","Certification":"CE\/ROHS\/SGS","Place of Origin":"PRC","Payment Terms":"L\/C,D\/P,T\/T,Western Union","Supply Ability":"50K\/Month","Packaging Details":"Carton","Sensor Type":"Photoelectric Sensor","Test Button":"Yes","Powersource":"Battery Operated","Productname":"Fire Alarm Smoke Detector","Operatingtemperaturerange":"-10\u00b0C to 50\u00b0C","Sensortype":"Photoelectric\/Electrochemical sensor","Temperature Range":"-10\u00b0C to 50\u00b0C","Powersupply":"Battery Operated","Sensitivity":"Meets CE Standards","Environmental Temperature":"-10\u2103 ~ +50\u2103","Humidityrange":"10% to 95% non-condensing","Operating Temperature Range":"-10\u00b0C to 50\u00b0C","Alarm Sound Level":"85 dB at 10 feet","Installationtype":"Ceiling or wall mount"}}