2 Pack of - First Alert SC7010B Hardwire Photoelectric Smoke and Carbon Monoxide Alarm with Battery Backup
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<b>[Product Information]</b><br>
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<li>120-volt hardwire combination photoelectric smoke and electrochemical carbon monoxide alarm with battery backup</li>
<li>Features convenient 2-AA battery backup, silence/test button, dust cover, 85-decibel alarm</li>
<li>Spread spectrum horn is a lower frequencies horn that make it easier for the elderly with normal aged related hearing loss to hear the horn.</li>
<li>Intuitive latching alarm feature remembers which unit initiated an alarm, while the low battery latch gives a visual indication unit is in low battery condition.</li>
<li>Backed by 10-year limited warranty and tested to meet UL 217 and UL 2034 standards</li>
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