First Alert SCO500B Wireless Interconnected Photoelectric Smoke and Carbon Monoxide Combo Alarm with Voice and Location
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<b>[Product Information]</b><br>
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<li>Battery-operated carbon monoxide smoke alarm can be installed easily</li>
<li>Multiple alarms can be connected to create a wireless safety network (additional alarms sold separately)</li>
<li>Voice alarm gives clear indication of where the problem is located</li>
<li>Photoelectric smoke sensor and electrochemical CO sensor</li>
<li>One button silences a false alarm and tests the unit</li>
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