Includes Philips Hue latest model (V2) battery-powered dimmer switch to control Hue lights; also includes 3 Philips Hue White and Color Ambiance 60W A19 smart LED bulbs. Dimmer switch requires a Philips Hue Bridge (sold separately) to connect to Hue lights; bulb has Bluetooth and Zigbee compatibility. Dimmer can brighten/dim lights, turn on/off, cycle between scenes or provide right light based on time of day. Bulb has 2700K color temperature, equivalent to 75W traditional bulb; creates perfect ambiance and is dimmable. Both dimmer and bulb work with Amazon Alexa and Google Assistant for hands-free voice control. Dim or brighten the room, toggle light scenes, or get the best light based on the time of day. The Hue dimmer switch attaches to walls or magnetic surfaces, but can also be used as a remote control anywhere in your home. Works with Hue smart lights, fixtures, and accessories.