Firewolf Advanced Photoelectric Smoke Detector， 2-Wire (FW-2)<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"> Detects all types of fire including: paper， wood， gasoline， polystyrene， smoldering fires， etc. </span></li><li><span class="a-list-item"> Dual LEDs for 360 degree visability (with flashing cleansing indicator) </span></li><li><span class="a-list-item"> Superior chamber and photoelectric beam design enables precision detection of even minute particles </span></li><li><span class="a-list-item"> Superior insect screening </span></li><li><span class="a-list-item"> Compatible with 12V/24V power supplies </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/41cjz2XTuRL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41cjz2XTuRL.jpg" noproxy>