Simply Automated US11-40-W Custom Series Single Dimming Transceiver， White<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Standard 900W single-rocker dimmer with white faceplate. Works just like a regular light switch or dimmer. Built-in (countdown) timer option for convenience and energy savings.</li><li>Utilizes ultra-reliable Universal Powerline Bus (UPB) technology. No new wiring needed! For new or existing lighting fixtures， lamps， fans and other electrical devices.</li><li>Powerful expansion capability – up to 250 devices using UPStart software， your PC and Computer Interface Module (PN: UMC-USB)!</li><li>Can transmit and receive scenes with other Simply Automated dimmers， plug-in modules， wall receptacle， fixture modules and other UPB devices – can control virtually any UPB device that connects to AC power wiring anywhere in the home.</li><li>Dimmers require both a neutral (white) and hot (black) connection. Do not use on a 3-way circuit. Your home should be no more than 2500 square feet and have only one breaker panel. A phase coupler is required in some home installations.</li></ul></div><img src="http://ecx.images-amazon.com/images/I/415zH5cATLL.jpg" noproxy>