3-Way Single Pole Compatible Slide control dimmer.If UP is off(DOWN is on) after wiring, try switching around the two red wires to reverse the on/off direction | Fully compatible with Cloudy Bay LED light fixtures,600W max Incandescent,150W max Dimmable LED/CFL,120VAC,60Hz | Works with LED,Halogen,Incandescent bulbs - Trim Dial below Cover Plate allows Sensitivity Adjustment upon installation to achieve compatibility with LED Lamps | Decorative Wall Plate and Mounting Screws Included | UL Listed,1 Year Warranty. Please contact us if there is any issue with dimming issue.