The plug-in lamp dimmer is a convenient dimmer for table and floor lamps. This dimmer makes it easy to turn lights on and off without reaching under the lampshade. Select your light level with the slider; move the slider up to increase the light level, down to decrease light level. Turn lights on/off at the bottom of the slider. Royal Designs plug-in lamp dimmers have their own cord, so no installation is needed. Simply plug the table or floor lamp into the dimmer and plug the dimmer into an outlet. Credenza dimmers work with incandescent and halogen lighting and are for use with table and floor lamps that have a maximum capacity of 300W. Installing credenza dimmers saves energy too! dim the lights just 50-percent to save 40-Percent electricity and extend bulb life 10 times. Dim the lights in your family room, nursery, office, wherever you have a floor or table lamp, and create your perfect light. Change the environment of your kitchen, dining room, living room, or bedroom by changing the intensity of the lights while also staying true to your home décor with the dimmer light switch. The plug-in dimmer switch is an easy and economical way to make an impact on the home's lighting. Convenience and ease to turn on any lamp. Different lighting levels for the perfect setting. Money and energy savings. Product Features: Brand: Royal Designs Inc. Product Type: Dimmers Color: Black Max Power: 300W Style: Foot Dimmer Installation: Plugin Certification: UL