First Alert - SCO501CN-3ST - FIRST ALERT SCO501CN-3ST ONELINK Battery-Operated Combination Smoke &amp; Carbon Monoxide Alarm with Voice Location<div style="text-align: left;"><strong>[Product Information]</strong><ul><li id="replacementPartsFitmentBullet" class="aok-hidden" data-doesntfitmessage="We're not sure this item fits your " data-fitsmessage="This fits your "><span class="a-list-item"><span id="replacementPartsFitmentBulletInner"><a href="#" class="a-link-normal hsx-rpp-fitment-focus">Enter your model number</a>to make sure this fits.</span></span></li><li><span class="a-list-item"> First Alert Onelink combination smoke and carbon monoxide alarms. Create wireless links with other </span></li><li><span class="a-list-item"> they all sound for maximum whole home protection. Photoelectric smoke sensor reduces nuisance alar </span></li><li><span class="a-list-item"> The Most Accurate Technology Available • Easy-to-use Mute Button • Ez-access Batte </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/512UrUliq6L.jpg" noproxy>