Chamberlain / LiftMaster / Craftsman 801CB Garage Door Opener Replacement Safety Sensors， Includes 2 Sensors， Mounting Brackets and Hardware<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"> N/A </span></li><li><span class="a-list-item"> Imported </span></li><li><span class="a-list-item"> Replaces defective or damaged sensors. </span></li><li><span class="a-list-item"> Fits Chamberlain garage access systems manufactured after 1997. </span></li><li><span class="a-list-item"> Detects objects in the path of opening/closing garage door to help prevent accidents. </span></li><li><span class="a-list-item"> Offers peace of mind and safe operation. </span></li><li><span class="a-list-item"> Includes 2 safety sensors， mounting brackets and 18 in. of extension wire. </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/41hpGxhAQSL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41s5Omy6SpL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41JS7triy9L.jpg" noproxy>