USI Electric MP117 Hardwired Photoelectric Smoke and Fire Alarm with Battery Backup
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<b>[Product Information]</b><br>
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<li>Photoelectric Technology has a quicker response to slow smoldering fires</li>
<li>120 volt AC/DC hardwired installation with 9 volt battery backup in case of power outage</li>
<li>Microprocessor intelligence helps eliminate nuisance alarms caused by non-hazardous sources</li>
<li>Patented Quick Find alarm origination easily identifies the first alarm to sound in interconnected systems</li>
<li>Universal mounting bracket fits any standard wiring junction box, single gang, round or octagon, up to 4"</li>
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