Smoke and Carbon Monoxide Alarm, Dual Sensor Combination Smoke Alarm and Carbon Monoxide Detector and Replaceable Battery Smoke and CO Alarm with Digital Display for Your Home, Garage, Office, 2-Pack

2 in 1 Carbon Monoxide and Smoke Detector Protection from two deadly threats, The smoke and carbon monoxide detector protects against both dangerous smoke and carbon monoxide (CO) in the surrounding air; accurately detects CO from any potential sources. When carbon monoxide and smoke rise to alarm levels, the alarm provides a clear, loud warning when it is discovered. Bring you double protection from Uninterrupted 24/7 protection & large detection range.

Authoritative CertificationOur smoke and carbon monoxide alarms are dual-certified to EU standards EN 14604 and EN 50291, establishing a double line of defense for home safety. We insist that every alarm undergoes the most stringent dual certification under EU standards EN 14604 and EN 50291. This represents more than just two certificates—it guarantees comprehensive excellence in sensor accuracy, response speed, and environmental resilience, building a seamless safety net for your home.

Quick & Easy Installation : Battery (3*AA) operated device can be simply installed and maintained without the need for an electrician, carbon monoxide smoke detectors is easy to mount on any wall or ceiling with the included screws. You can hear the low power alarm when the power is close to run out, and won’t miss the chance to change the new battery. Note: (not supplied the batteries.Carbon monoxide is lighter than air, it is recommended to install it at a distance of 30cm from the ceiling.

LCD Digital Displays: It is accurate ,reliable,highly sensitive. You can use the digital display to see the current CO concentration and the status of the machine's battery level. When carbon monoxide and smoke produce, the Combination smoke & carbon monoxide detectors will Instantly alerting you via an 85-dB alarm and a rapid-flashing LED indicator; the LED indicator won’t disturb your sleep when the alarm is in normal working status.

Test Mode Button: Carbon monoxide and smoke alarm has self-check function. It allows you to easily know the working status of the alarm. And test button enables (silent mode)you to test the alarm weekly, When encountering a non-emergency situation（false alarms occur),you can immediately press the test button and the LED light will flash cyclically, indicating that it has entered the silent mode.