smoke alarm smoke detector with relay output

{"cid":"91221733","title":"48V DC 4-Wire Smoke & Heat Detector with Relay Output for Cabinet Fire Safety","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/a5\/cd\/ff7299621d5ba04bade8cc906f42-200x200-1.jpg","attrs":{"Price":"negotiable","Brand Name":"XHA","Model Number":"XHA8016","Minimum Order Quantity":"1PCS","Delivery Time":"3 Working days","Certification":"CE","Place of Origin":"China","Payment Terms":"T\/T, Western Union","Supply Ability":"10000PCS\/Month","Packaging Details":"100pcs\/carton","Product Type":"4-Wire Smoke Detector with Relay Output(No\/NC option)","Sound Pressure Level":"Above 65dB","Appliction":"Security System,Industrial Control Equipment","Specification":"D105mm, H50mm","Rated Operational Voltage":"DC48-DC60V","Customization":"Available | Customized Request","Dimension":"\u03a6105mm,H50mm","Alarm Current":"\u226445 mA","Application":"Industry, Communication Electronic Products, Special Equipment","Work temperature":"-10\u00b0C~+50\u00b0C","Humidity":"\u226495%"}}

{"cid":"91168609","title":"High Stability Environment Monitoring System 4 Wire DC 32~52V Relay Output Alarm","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/a9\/2e\/192e9fa9436fa5d0f1ebd21f31e6-200x200-1.jpg","attrs":{"Price":"215-500 usd","Brand Name":"ESTEL","Model Number":"S03 -A4","Minimum Order Quantity":"1 set","Delivery Time":"10 working days","Certification":"ISO9001, CE, 3C, FCC, TLC,","Place of Origin":"Shenzhen, China (Mainland)","Payment Terms":"T\/T, L\/C,D\/A, Western Union, Paypal, etc","Supply Ability":"8,000 sets per month","Packaging Details":"Carton\/wooden case","Working voltage":"DC32~52V","Working temperature":"-10\u2103\uff5e+50\u2103","Alarm output":"Relay output","Alarm indication":"Red LED always on","Usage":"Industrial","Dimension":"103mm diamcter * 53mm deep"}}

{"cid":"91158103","title":"Photoelectronic Smoke Alarm (9V\/12Voptional)","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/a3\/0d\/2542c38c38fcbac1544de4204e75-200x200-1.jpg","attrs":{"Price":"USD FOB SHENZHEN","Brand Name":"JSUS","Model Number":"JS-SD14","Minimum Order Quantity":"500PCS","Delivery Time":"5-7days","Place of Origin":"China","Certification":"CE&ROHS","Packaging Details":"115PCS\/Box","Payment Terms":"L\/C,T\/T,Paypal","Supply Ability":"100,000sets\/month","Usage":"Fire"}}