Doberman Security SE-0129-4PK Mini Entry Defender with chime - 4 Pack (Black)<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"> MAGNETIC TRIGGER TECHNOLOGY - Loud 100 dB alarm alerts you of potential break-ins and when someone enters the house/room or front door of an office. </span></li><li><span class="a-list-item"> STURDY， COMPACT DESIGN - Detects entry and fits on any door or window - perfect for home， office， dorm room or even RVs </span></li><li><span class="a-list-item"> EASY INSTALLATION - Simply peel and stick， no tools needed. </span></li><li><span class="a-list-item"> PERFECT FOR YOUNG &amp; OLD - Safely prevent young children or wandering elderly from leaving the house </span></li><li><span class="a-list-item"> Superior adhesive backing for optimum sticking power </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/41HsU0THUSL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51ViWpr1NBL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51r40tYjA4L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51nY4ceMm4L.jpg" noproxy>