[Pack] Quiet Dimmer Light Switch, Slide Dimmer Switch with Wide Dimming & 10. Caution: only 1 dimmer switch can be installed per circuit. Can not control fans Super slim compact design makes it easy to install in even the smallest, most crowed electrical wall boxes w other dimmers won't fit Turn your lights on to the exact brightness that you turned them off, even at the lowest dimming range. Advanced dimmer technology remembers the exact brightness and turns them on to that exact level Exceptionally smooth and quiet, yet positive rocker switch and side dimmer Wide compatibility range can be used with almost any dimmable light, LED, CFL, Halogen or Incandescent Bulbs Lamps or Panels No neutral wire required and traditional single pole and standard 3-way wiring makes it easy to replace existing dimmers and switches. Match USWP6 gloss snow white screwless wallplates.