First Alert BRK 7010B Hardwire Smoke Alarm with Photoelectric Sensor and Battery Backup (3 Pack)
</br></br>
<div style="text-align:left">
<b>[Product Information]</b><br>
<ul>
<li>120-volt hardwire smoke alarm with photoelectric sensor and battery backup</li>
<li>Features convenient 9 volt battery backup, silence/test button, dust cover, 85-decibel alarm</li>
<li>Inter-connectable with BRK and First Alert hardwired smoke and carbon monoxide alarms</li>
<li>Intuitive latching alarm indicator identifies which unit triggered alarm</li>
<li>Backed by 10-year limited warranty and tested to meet UL 217 standards</li>
</ul>
</div>
</br></br></br></br></br></br></br></br></br></br>

</br></br></br></br></br></br></br></br></br></br>
<img src='http://ecx.images-amazon.com/images/I/31iVmZNVg8L.jpg' noproxy></br>