Shomer-Tec Laser Surveillance Defeater<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"> Interrupts， masks， and jams the laser demodulation by transmitting human voice frequencies to a window to “drown out” typical conversation </span></li><li><span class="a-list-item"> This device was engineered to defeat "Notch" filters </span></li><li><span class="a-list-item"> The Laser Surveillance Defeater is ideal for government offices， corporate facilities， high-rise buildings， even homes </span></li><li><span class="a-list-item"> Developed to meet the security requirements of certain U.S. federal agencies </span></li><li><span class="a-list-item"> Completely portable; it installs and un-installs on windows instantly with its integral suction component </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/41Wtg5kkX8L.jpg" noproxy>