Mace 80370 Slimline Wireless Door / Window Sensor<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"> Mini retractable antenna for extra wireless range </span></li><li><span class="a-list-item"> Simple wireless install </span></li><li><span class="a-list-item"> Detects opening and vibration in window </span></li><li><span class="a-list-item"> Up to 300 foot wireless range </span></li><li><span class="a-list-item"> Low power consumption </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/21j8xb3n1YL.jpg" noproxy>