Easy to install. Toggle element provides smooth, positive motion for dimming and On/Off control. 6 in pre-stripped wire leads for fast, easy wiring. Ground lead provided. Wrap around heat sink dissipates heat and does not require de-rating. 600 W maximum. UL listed. Integrated rotary dial for On/Off and DIM/BRIGHT operation. Integrated rotary dial for On/Off and DIM/BRIGHT operation. Matches existing wall switches. Radio frequency interference filtering for radio, audio and video equipment. Replaces a standard switch and offers dimming capabilities. Compatible with any traditional switch, wallplate or screwless wallplate. Fully variable fan control allows for precise fan speed setting. Power failure memory. Electrostatic discharge protection. Square law dimming perceived dimming level is proportional to the slider position.