Скачать или смотреть REVIEW (2026): First Alert CO400 CO Detector. ESSENTIAL details.

Get a quick look at the key features of the First Alert CO400 CO Detector.
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The First Alert CO400 Carbon Monoxide Detector is an essential device for ensuring family safety with its reliable, battery-operated functionality.

Equipped with a top-notch electrochemical sensor, this detector accurately identifies carbon monoxide levels, providing peace of mind no matter its placement in the room.

The device emits a powerful eighty-five decibel alarm when dangerous carbon monoxide levels are detected, ensuring you are promptly alerted.

This carbon monoxide detector is designed for convenience, requiring no installation and featuring an optional wall mount if desired.

A user-friendly test and silence button allows you to verify the device's operation and silence the alarm if necessary.

The detector comes with a five-year limited warranty and an end-of-life signal chirp, so you know when it is time for a replacement.