First Alert CO511B Wireless Interconnected Carbon Monoxide Alarm with Voice and Location
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<b>[Product Information]</b><br>
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<li>Battery-operated carbon monoxide alarm can be installed easily</li>
<li>Connects multiple alarms together for wireless safety network</li>
<li>Voice alarm gives clear indication of where the problem is located</li>
<li>Electrochemical CO sensor detects elevated carbon monoxide levels.Single button silences a false alarm and tests the carbon monoxide alarm</li>
<li>Voltage:1.5</li>
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