First Alert 2-Pack Battery-operated Carbon Monoxide Detector in the Carbon Monoxide Detectors department at

Brk - Smoke and Carbon Monoxide Alarm with Battery Backup - Hardwired

The 10 Best Smoke Detectors of 2024

The First Alert SCO5CN Combination Smoke and Carbon Monoxide Alarm detects both smoke and carbon monoxide in a single device with its dual permanent sensors. This carbon monoxide and smoke detector is battery operated allowing you to easily install it without requiring an electrician. A photoelectric sensor detects the smoke most commonly produced by smoldering fires and minimizes false alarms from cooking smoke or shower steam.

First Alert SCO5CN Combination Smoke and Carbon Monoxide Alarm Battery Operated

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First Alert 2-Pack Plug-in Carbon Monoxide Detector

1) First Alert Hardwired Replacement Smoke and Carbon Monoxide Alarms, 2 Pack, Includes Quick Connect Plugs