commercial wireless fire alarm system

{"title":"Wireless 9V-28V Linked Fire Alarms Enables Quick And Easy Installation","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/bc\/b4\/3b93ef5660e540b449fd3a0b36df-200x200-1.jpg","attrs":{"Price":"USD 6.5 - 7.7 per piece","Brand Name":"OEM","Model Number":"Smoke","Minimum Order Quantity":"1000","Delivery Time":"Within 30 days after payment","Place of Origin":"China","Payment Terms":"T\/T, Western Union, MoneyGram","Supply Ability":"100000 pieces per month","Packaging Details":"60 pieces per carton","Material":"ABS","Color":"white","Voltage":"DC 9 - 28 V","Name":"Fire Smoke Detector","Brand":"OEM","Feature":"Keep your family safe"}}

{"title":"Commercial Bluetooth Smart Lock , Keyless Front Door Lock 304 Stainless Steel","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/94\/b9\/7d4ffd72b168d4175bc120beb0d4-200x200-1.jpg","attrs":{"Price":"Negotiable","Brand Name":"Panwei","Minimum Order Quantity":"Negotiable","Delivery Time":"5 days","Place of Origin":"China","Certification":"CE FCC ROHS","Packaging Details":"1 pcs \/ box, 10 box \/ ctn","Payment Terms":"L\/C, T\/T, Western Union, MoneyGram,Wechat","Supply Ability":"10000 pcs \/ month","Material":"Zinc Alloy","Product name":"bluetooth door lock","Application":"office,hotel","Color":"Black,Silver,Gray","Key feature3":"Wide application"}}