This Philips Hue Dimmer switch makes it easy for anyone in the home to control Hue smart lights with a touch of a button, whether or not they have the Hue app or a voice device handy. The dimmer switch lets you turn lights on or off, dim or brighten, or toggle between four of your favorite light scenes. Three clearly marked buttons make the dimmer switch simple to use. With it's battery-powered design and the included adhesive, the dimmer switch can be placed anywhere. The long-lasting battery has a minimum lifetime of 3 years. It's magnetic backing even lets you attach it to the refrigerator or other metal surfaces.