Leviton OSP20-DA0 20A Fluorescent/Incandescent， 120/220/277 Volt AC 60Hz， 1HP at 120VAC， 2HP at 240VAC， Power Pack for Occupancy Sensor， Black<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"> Self-contained transformer and relay </span></li><li><span class="a-list-item"> Internal voltage regulator - regulated 24VDC current， 150mA output </span></li><li><span class="a-list-item"> Fast installation - mounts inside or outside junction box， or inside fluorescent ballast cavity with a simple twist-on nut </span></li><li><span class="a-list-item"> Single or multiple luminaries control </span></li><li><span class="a-list-item"> Heavy duty zero crossing circuitry </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/41EstmaV7kL.jpg" noproxy>