fire alarm system with dual power supply

{"cid":"91151403","title":"EN54 Certified Fire Alarm System with Dual Power Supply and IP68 Rating for Reliable Fire Detection","imgUrl":"https:\/\/img.chinax.com\/nimg\/ff\/6a\/e0a5b3eea2e941dc79a31ce391fe-200x200-1.jpg","attrs":{"Price":"negotiation","Brand Name":"XINGJIN","Model Number":"CM1004","Minimum Order Quantity":"20 set system","Delivery Time":"15-20days","Certification":"CCC,CAC,ROHS","Place of Origin":"Guangzhou,China","Payment Terms":"T\/T,L\/C","Supply Ability":"30000set\/month","Packaging Details":"Plywood outer box with bubble bag or paper","Color":"Grey\/Red","Mains supply":"90 to 270VAC, 50Hz\/60Hz","Battery charge current":"0.7A maximum","Composition":"Converntional Control Panel\/Light\/Button\/Alarm\/Bell\/Detector","Weight":"12.38kg","IP Rating":"ip68","Light intensity":"135cd"}}

{"cid":"91224585","title":"Custom Smoke Carbon Monoxide Detector with 10-Year Lithium Battery and 85 dB Alarm Sound for Dual Detection System","imgUrl":"https:\/\/img.chinax.com\/nimg\/3f\/f9\/46b332ec83a83a65f7b90806bb57-200x200-1.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":"T\/T,Western Union,D\/P","Supply Ability":"50K\/Month","Packaging Details":"Cartons","Item":"smoke and CO detector","Environmental Temperature":"-10\u2103 ~ +50\u2103","Voltage":"3V DC","Alarm Sound Level":"85 dB at 3 meters","Sensitivity":"0.1 - 0.15 dB\/m","Batterylife":"Up to 10 years","Temperature Range":"-10\u00b0C to 50\u00b0C","Weight":"Approximately 180 grams","Color":"White","Alarmsoundlevel":"85 dB at 10 feet","Operatingtemperaturerange":"-10\u00b0C to 50\u00b0C","Battery Life":"Up to 10 year","Usage":"Fire detection and alarm system"}}