DESIGN FEATURES:- Preset feature allows user to return to previous light level- when turning lights ON- Device can be wired into either 3-way location (load side or line side)- Neutral is not required for installation of device- Adjustable low-level trim setting for optimal lamp compatibility- Radio frequency interference filtering is standard on all models- Electrostatic discharge protection- Precise color matching- Compatible with any decorator wallplate or screwless decorator wallplate- Compatible with most common dimmable lighting loads. (phase-cut)- Adjustable rapid start feature ensures lamp start-up even at low dim levels- Title 20/24 compliant