4 Packs Smoke and Carbon Monoxide Detectors, 2 in 1 CO & Smoke Fire Alarm for Home,Smoke Combination CO Alarm with LCD Display,Replaceable Battery Operated, Easy to Install

• ?¡¾2-in-1 Dual Sensors¡¿Carbon monoxide detectors use dual optical and electrochemical sensors to detect smoke and carbon monoxide. It can quickly detect both fire smoke dangers and/or carbon monoxide gas leak in a single unit. Light spot sensor detects smoke, high sensitivity sensing carbon monoxide, to a great extent to avoid the occurrence of false alarms,provides the ultimate protection from 2 deadly threats.
• ?¡¾2-in-1 Dual Sensors¡¿Carbon monoxide detectors use dual optical and electrochemical sensors to detect smoke and carbon monoxide. It can quickly detect both fire smoke dangers and/or carbon monoxide gas leak in a single unit. Light spot sensor detects smoke, high sensitivity sensing carbon monoxide, to a great extent to avoid the occurrence of false alarms,provides the ultimate protection from 2 deadly threats.
• ?¡¾360¡ãSensing&Decade-Long Protection¡¿The vent carbon monoxide enters the induction chamber through the gap between the alarm shell and the bottom shell, and the 360¡ã air intake ring ensures completely accurate detection without blind spots. Can be placed in any corner of the kitchen, bedroom, attic, etc£¬and eliable sensors ensuring 10 years of stable performance.Your home security expert.
• ?¡¾360¡ãSensing&Decade-Long Protection¡¿The vent carbon monoxide enters the induction chamber through the gap between the alarm shell and the bottom shell, and the 360¡ã air intake ring ensures completely accurate detection without blind spots. Can be placed in any corner of the kitchen, bedroom, attic, etc£¬and eliable sensors ensuring 10 years of stable performance.Your home security expert.
• ?¡¾Quality Assurance&Package list¡¿Smoke, carbon monoxide combination alarm in line with UL217, UL2034 standards. it is environmentally friendly and time-saving, and also has a long life. Package include 4 x carbon monoxide detector, 1 x holder,2 x screws.2 x expansion pipes.3 x AA batteries,1 x user manual,If you have any questions or concerns, please feel free to contact us and we will give you satisfactory after-sales service within 24 hours.