A LED-style light which is off. It is the <a href="//commons.wikimedia.org/w/index.php?title=File:Redflash.gif&amp;action=edit&amp;redlink=1" class="new" title="File:Redflash.gif (page does not exist)">File:Redflash.gif</a>, only that it's not lighting.
<ul><li><a href="//commons.wikimedia.org/w/index.php?title=File:Redflash.gif&amp;action=edit&amp;redlink=1" class="new" title="File:Redflash.gif (page does not exist)">Redflash.gif</a>: from <a rel="nofollow" class="external autonumber" href="http://www.jmarcoz.com/lbg/red.htm">[1]</a>, uploaded by <a href="//commons.wikimedia.org/w/index.php?title=User:StonedChipmunk&amp;action=edit&amp;redlink=1" class="new" title="User:StonedChipmunk (page does not exist)">user:StonedChipmunk</a></li>
<li>derivative work: <a href="//commons.wikimedia.org/wiki/User_talk:AwOc" title="User talk:AwOc">AwOc</a></li></ul>
Attribution
<ul><li><a href="//commons.wikimedia.org/w/index.php?title=File:Redflash.gif&amp;action=edit&amp;redlink=1" class="new" title="File:Redflash.gif (page does not exist)">Redflash.gif</a></li></ul>