Hes 2006M Plug-in Buzzer in-Line

<div class="std"><p>Buzzer wires in-line near an electric strike. When strike opens, unit makes a buzzing sound until strike closes.</p> <b>Features:</b> <ul> <li>Operates in either 12 or 24 volt DC</li> <li>Easy way to add security to access control system</li> <li>Usually installed in the door frame behind the electric strike</li> <li>It is loud enough that people outside the door can still hear the buzz sound clearly.</li> </ul></div>