DescriptionETL/CETL Slide Dimmer with Switch, ,120VAC, 60Hz.ModelDMS-S1-120NDMS-S3-120NSingle Pole/Three-waySingle PoleThree-wayAdjustment DialYesYesFeatures1. Control 700W Halogen/Incandescent, 150W Dimmable LED/CFL.2. With Sensitivity Dial to make sure steady performance when compatible with different brands light bulbs.3. Smooth-action slide control for easy precise operation4. Longer mounting strap increases wall board contact area, eliminating floating installations5. Full-range dimming, lighting fade up and down smoothly allowing your eyes to adjust to changing light levels.CertificateOperation***Set slider to bottom before adjusting dimming range. When the slider is at the top, the sensitivity dial will be out of operation.