4 Pack 2 in 1 CO & Smoke Detectors, Digital Display, Smoke Detector Carbon Monoxide Detector Combo,Alarm for Home or Office,Powered by Battery

2 in 1 CO & Smoke Detectors,Our Carbon Monoxide Detectors are designed to offer reliable and accurate sensing of both carbon monoxide and smoke, making them a versatile and crucial security device for any home or place of work.
Operated by 3 * AA Batter, no need for socket, not suffering from power failure, Battery-powered Unit Can also be Installed Quickly and Easily without an Electriciancan be installed anywhere!
When a dangerous level of carbon monoxide is detected, the red light will flashes and a loud alarm pattern will sound—Loud 85 decibel carbon monoxide alarm with red light flash to offer protection to your circle of relatives’s life and property safety from CO detector.
Smoke Co Alarm Detector The use of High Accurate Electrochemical Sensor Alerts you to Carbon Monoxide Danger, and Photoelectric Sensor Detects Smoke Even as Minimizing False Alarms. Insurance Safety of your Life.
All Smoke and CO alarms are rigorously tested.We promise and guarantee the client service by providing a response to any questions, concerns, and inquiries within 24 hours.