4 wire heat detector with relay

{"cid":"91221733","title":"High Sensitivity AC220V 4-Wire Heat Detector With Relay Output For Power Cubicle Fire Safety System","imgUrl":"https:\/\/img.chinax.com\/nimg\/67\/7d\/a7d1ddf49b196f1d570c3b8e9ae7-200x200-1.jpg","attrs":{"Price":"negotiable","Brand Name":"XHA","Model Number":"XHA8023","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","Rated Operational Voltage":"AC 220V","Sound Pressure Level":"Above 80dB","Product Type":"4 Wire Heat Detector with Relay Output","Appliction":"Security System,Industrial Control Equipment","Output":"Sound and Light, Relay output","Contact Capacity":"6A 250VAC","Activate temperature":"62\u00b0C","Sound pressure level":"\u226580db"}}

{"cid":"91191786","title":"PLC DCS Gas Leak Detector 4~20mA Standard Signals Output With Three Wire System","imgUrl":"https:\/\/img.chinax.com\/nimg\/02\/69\/2030135ffbd2b1036f62c0a04427-200x200-1.jpg","attrs":{"Brand Name":"Eyesky","Model Number":"ES10B","Minimum Order Quantity":"1","Delivery Time":"2~3 days","Certification":"CE,ROSH","Place of Origin":"CHINA","Payment Terms":"L\/C, T\/T, Western Union, MoneyGram","Detection Gas":"Oxygen","Sampling":"Diffusion","Precision":"\u2264\u00b13%F.S","Repeatability":"\u2264\u00b11%","Zero drift":"\u2264\u00b11%(F.S\/year)","Sensor Type":"Catalytic sensor"}}