commercial smoke detection systems alarm bell

{"cid":"91221733","title":"24VDC Synchronized Alarm Bell \u2013 Addressable Wall Mount for Commercial Smoke Detection Systems","imgUrl":"https:\/\/img.chinax.com\/nimg\/62\/57\/30361e6c3cf62ddee022d295e9b0-200x200-1.jpg","attrs":{"Price":"negotiable","Brand Name":"XHA","Model Number":"JIL-6","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":"30pcs\/carton","Humidity Range":"10-95%","Apaitplicon":"Smoke Alarm System","Sound Level":"\u2265100dB","Working Current":"\u226440ma","Working Voltage":"DC20 to 27V","Installation":"Wall mounted","Operating Temperature":"-10-50\u00b0C"}}

{"cid":"91151403","title":"Multi- Sensor Smoke And Heat Detector For Commercial Fire Alarm System","imgUrl":"https:\/\/img.chinax.com\/nimg\/c6\/ca\/2dff067135cd27455837df68ff46-200x200-1.jpg","attrs":{"Price":"USD3-4\/pc","Brand Name":"XINGJIN","Model Number":"JTF-GOM-JBF5000C","Minimum Order Quantity":"100 set system","Delivery Time":"15-20days","Supply Ability":"300000 sets per month","Payment Terms":"T\/T,L\/C","Working Ambient":"-10\u2103\uff5e50\u2103","Working Temperature":"-10\u2103\uff5e50\u2103","Nominal Working Pressure":"8Mpa","Operating Pressure":"0.06\u00b10.01MPa","Alarm Concentration":"0.65\uff5e15.5%FT","Certification":"CCC,GB 50116-2013","Light Intensity":"135cd","Power":"90 to 270VAC, 50Hz\/60Hz","Place of Origin":"Guangzhou,China","Packaging Details":"Wooden Box Or Plywood Outer Box With Bubble Bag Or Paper","Alarm Output":"Audible And Visual"}}

{"cid":"91224585","title":"OEM 10-Year Lithium Battery Smoke Carbon Monoxide Detector with Dual Detection System and 85dB Alarm Sound","imgUrl":"https:\/\/img.chinax.com\/nimg\/48\/70\/1163935951c148954c3812b96b94-200x200-1.jpg","attrs":{"Price":"Negotiable","Brand Name":"Symank","Model Number":"JKD-515COM","Minimum Order Quantity":"100pcs","Delivery Time":"5 days","Packaging Details":"Color box,size:110\u00d755\u00d7110mm,60pcs in one carton,carton size:61x30x28cm","Mountingtype":"Ceiling or wall mount","Humidityrange":"0% to 95% non-condensing","Notification":"Push notifications to smartphone","Alarm Type":"Loud Audible Alarm","Installationlocation":"Wall or ceiling mount","Place of Origin":"PRC","Display":"Digital display for CO levels","Testbutton":"Included for manual testing","Temperature Range":"-10\u00b0C to 50\u00b0C (14\u00b0F to 122\u00b0F)","Color":"Light Grey","Supply Ability":"50K\/Month","Payment Terms":"L\/C,D\/P,T\/T","Type":"Dual Sensor","Operatingvoltage":"DC 3V","Weight":"Around 180 grams","Detection Types":"Smoke and Carbon Monoxide","Certification":"SGS\/ROHS\/CE"}}