Leviton 28A00-1 Surface Speaker/Microphone Module<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"> Allows two-way communication with a central station after an alarm and paging and listening from an on-premises or remote phone </span></li><li><span class="a-list-item"> Annunciation of alarm and zone by voice， and voice messaging (not available on all systems) when connected to a Two-Way Voice Module </span></li><li><span class="a-list-item"> Works with Lumina， Lumina Pro， Omni LTe， Omni IIe， or OmniPro II home control systems </span></li><li><span class="a-list-item"> Requires Two-Way Voice Module (Leviton Part Number 10A11-1) </span></li><li><span class="a-list-item"> Leviton recommends professional installation on Security and Automation products.  To find an installer in your area， please email dealer@leviton.com </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/41hWiL3Dk0L.jpg" noproxy>