GoControl Z-Wave Door/Window Sensor - WADWAZ-1<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"> Wireless Z-wave(r) Door Or Window Sensor </span></li><li><span class="a-list-item"> Internal Magnetic Switch Contact &amp; Magnet </span></li><li><span class="a-list-item"> External Normally Closed Contact Input </span></li><li><span class="a-list-item"> 100ft Line-of-sight Range </span></li><li><span class="a-list-item"> Tamper-resistant Design </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/31UmxyKkaqL.jpg" noproxy>