Aeotec by Aeon Labs ZW120 Door / Window Sensor， Small， White<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"> Simple DIY installation with screws or by double sided tape </span></li><li><span class="a-list-item"> Triggers intelligence and security Related events </span></li><li><span class="a-list-item"> Hidden security tamper detection technology </span></li><li><span class="a-list-item"> Z-wave certification Number zc10-15110015 </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/41NIeTp40HL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/21z5gWqYvKL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/31N6i0BS%2BCL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/21PsPGESBRL.jpg" noproxy>