electrochemical and photoelectric sensors co smoke alarm

{"cid":"91224585","title":"Factory Direct 10-Year Lithium Battery Smoke Carbon Monoxide Detector with Electrochemical and Photoelectric Sensors and 85dB Alarm Sound","imgUrl":"https:\/\/img.chinax.com\/nimg\/a6\/e5\/4d4ff62a452707dc78f27fa56200-200x200-1.jpg","attrs":{"Price":"Negotiable","Brand Name":"Symank","Model Number":"JKD-815COM","Minimum Order Quantity":"100pcs","Delivery Time":"5 days","End-Of-Life Warning":"Yes","Dimensions":"Varies by model, typically around 5 inches diameter","Supply Ability":"50K\/Month","Packaging Details":"Color box,size:110\u00d755\u00d7110mm,60pcs in one carton,carton size:61x30x28cm","Mountingtype":"Ceiling or wall mount","Sensor Technology":"Electrochemical (for CO) and Photoelectric\/Ionization (for Smoke)","Battery Life":"Up to 10 years (for sealed battery models)","Led Indicator":"Red LED for alarm status","Place of Origin":"PRC","Certification":"CE\/ROHS\/SGS","Installation":"Ceiling or Wall mount","Responsetime":"Within 5 seconds","Sensor Type":"Photoelectric\/Electrochemical Sensor","Temperature Range":"-10\u00b0C to 50\u00b0C (14\u00b0F to 122\u00b0F)","Payment Terms":"L\/C,D\/P,T\/T","Operatingtemperaturerange":"-10\u00b0C to 50\u00b0C","Alarm Sound Level":"85 dB at 10 feet","Voltage":"3V DC","Alarmsoundlevel":"85 dB at 10 feet"}}