4 wire smoke detector with relay

{"cid":"91221733","title":"Industrial Control Equipment 4 Wire Smoke Detector with Relay Output and High Sensitivity","imgUrl":"https:\/\/img.ismap.com\/nimg\/77\/7a\/2f55e34e6495b6d0f8a4f1324977-200x200-1.jpg","attrs":{"Price":"negotiable","Brand Name":"XHA","Model Number":"XHA8011","Minimum Order Quantity":"1","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":"Smoke Alarm with Relay Output","Type":"Smoke Alarm","Contact capacity":"1A DC24V (NO\/NC optional)","Appliction":"Security System,Industrial Control Equipment","Application":"Industry, Communication Electronic Products, Special Equipment","Mounting Type":"Ceiling or Wall","Humidity":"\u226495%","Sound Pressure Level":"Above 65dB","Rated Operational Voltage":"DC12~24V","Output":"Sound and Light, Relay output","Dimensions":"D105mm, H50mm"}}

{"cid":"91168609","title":"High Stability Environment Monitoring System 4 Wire DC 32~52V Relay Output Alarm","imgUrl":"https:\/\/img.ismap.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"}}