First Alert SCO7CN Battery-Operated Combination Smoke and Carbon Monoxide Alarm with Voice and Location
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<b>[Product Information]</b><br>
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<li>Combination smoke detector and carbon monoxide alarm detects 2 threats</li>
<li>Programmable talking alarm speaks to indicate the type and location of detected threat</li>
<li>Photoelectric sensor detects smoke while minimizing false alarms</li>
<li>Electrochemical CO sensor alerts you to carbon monoxide danger from multiple sources</li>
<li>Battery-operated unit installs quickly and easily without an electrician</li>
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