Lutron LRF2-OWLB-P-WH Radio Powr Savr Wireless Wall-Mounted Occupancy/Vacancy Sensor， White<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"> No external power packs， power wiring， or communication wiring necessary </span></li><li><span class="a-list-item"> Use in rooms with high ceilings or ceiling obstructions， where a ceiling mounted sensor is not ideal </span></li><li><span class="a-list-item"> 10 year battery life </span></li><li><span class="a-list-item"> Front accessible buttons make set-up simple </span></li><li><span class="a-list-item"> 180° field of view </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/21C6hBLdUnL.jpg" noproxy>