Wattstopper BZ-50 120/230/277V 20 Amp Power Stopper Power Pack<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"> Automatic or manual switching options </span></li><li><span class="a-list-item"> Simple retrofit installation and operation; no Neutral needed </span></li><li><span class="a-list-item"> Shutoff warning with optional audible beep during grace period </span></li><li><span class="a-list-item"> Pushbutton overrides the shutoff event </span></li><li><span class="a-list-item"> Multi-way operation for 3- and 4-way switching Wattstopper AS-100-I 120/277Vac Ivory Occupancy Sensor automatic Control Switch </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/41%2B08D63wQL.jpg" noproxy>