Fortress Security Store (TM) Loud Indoor / Outdoor Weatherproof Black Siren for DIY S02/GSM Home and Business Alarm Security Systems<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"> Extremely loud 130dB alarm siren </span></li><li><span class="a-list-item"> Easily mount inside or outside </span></li><li><span class="a-list-item"> Ideal for securing larger properties， businesses， sheds， building， etc. </span></li><li><span class="a-list-item"> Compatible with Fortress Security S02 and GSM alarm systems </span></li><li><span class="a-list-item"> Weatherproof and durable design </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/31gispWi0DL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51%2Bsc9S56yL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/31oMzxHSMdL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/413I89rNMZL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51AG8XLoadL.jpg" noproxy>