Replaces a standard switch and offers dimming capabilities. Use with dimmable LED/CFL, Incandescent, Halogen, Magentic Low-Voltage and Electronic Low-Voltage. 300W dimmable LED/CFL, 600W Incandescent/Halogen/Magnetic Low-Voltage/ElectronicLow-Voltage. Preset feature allows user to return to previous light level when turning lights ON. Integrated full-slidecontrol. Radio Frequency Interface filtering. Electrostatic discharge protection. Compatible with any decorator wallplate or screwless decorator wallplate. Compatible with most dimmable LED and CFL lamps. Fixed Rapid Start feature ensures lamp start-up even at low, dim levels.