Requiring the Hue Bridge (sold separately) for the full Hue experience, this battery-powered dimmer with remote smoothly and wirelessly adjusts your lights’ intensity without any added installation. Each kit includes a Hue Dimmer Switch with wall plate and remote, a Hue White A19 Smart Bulb, a CR2450 battery, manual, and two-year warranty. Dimmer Switch (included) can control up to 10 Hue lights when paired with a Hue Hub. The Philips Hue dimmer switch works as a normal wall switch and dimmer. Experience guaranteed smooth dimming with Philips Hue. Not too bright. Not too dark. Just right. No need for wires, an electrician, or installation. You can place it anywhere you want, using screws or the adhesive tape on the back plate of the switch. Pick up the remote and use it wherever you want for your comfort. The control unit of the switch is magnetic and can be removed from the base plate. With a Hue Hub, you can connect up to 10 Philips Hue lights to your Philips Hue Dimmer switch and control them simultaneously, or pair with Alexa, Apple Home kit and Google Assistant.