Replaces a standard switch and offers dimming capabilities. Use with dimmable LED/CFL, incandescent, halogen, magnetic low-voltage and electronic low-voltage. 300 W dimmable LED/CFL, 600 W incandescent/halogen/magnetic low-voltage/electronic low-voltage. Preset feature allows user to return to previous light level when turning lights ON. Integrated full-slide control. 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.