LED Two Head Emergency Light with Battery Back-up Black (1 Pack)<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Long lasting， efficient ultra-bright white LEDs.</li><li>Adjustable LED lamp heads provides optimal center-to-center spacing.</li><li>Charge rate/power "ON" LED indicator light and push to test switch for mandated code compliance testing.</li><li>Internal solid-state transfer switch automatically connects the internal battery to LED lamp heads for minimum 90-minute emergency illumination.</li><li>Surface mount via quick-connect back plate; fits most standard size junction boxes and snaps into place to make internal electrical connections.</li></ul></div><img src="http://ecx.images-amazon.com/images/I/31AeDfBP35L.jpg" noproxy>