Generic NO Mode DC 12V Deadbolt Strike Electric Drop Bolt Timer Door Lock Fail-Secure<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"> Superior low temperature design， long serving time </span></li><li><span class="a-list-item"> It is made from durable and high aluminum lock body and stainless steel bolt.durable for use </span></li><li><span class="a-list-item"> With door close time delay function， will lock until the door completely stop moving， rather than lock instantly， effectively protect the door and lock from damage </span></li><li><span class="a-list-item"> Fail Secure mode， the door will unlock while supplied with power， and lock without power </span></li><li><span class="a-list-item"> Suitable for : wooden door， glass door， metal door， fireproof door， etc </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/517fmmUHVRL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/61hK4BAcAJL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51f9O6CnQHL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51swy1rQxDL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41cTgudnSkL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51pp5Pb008L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51o55lD3LuL.jpg" noproxy>