<p><font class="producttext"><span style="font-family: Verdana; font-size: 10pt;">The sturdy metal construction protects and prominently displays your AED. Door-activated flashing strobe light and audible alarm alerts everyone the AED has been deployed for rescue. Compatible with LIFEPAK 500, LIFEPAK 1000, LIFEPAK CR Plus and LIFEPAK EXPRESS Defibrillators. </span></font></p>