This starter kit contains Philips Hue White ambiance light sources with E27 sockets, a Hue Bridge control unit that provides maximum access to the system's functions, and a Hue Dimmer switch that acts as both a wireless switch and remote control. This series of smart lights allows you to dim your lighting in both brightness (lumen) and light temperature (kelvin) so you can switch between cool and warm shades of white light when you need it. With Philips Hue, lighting takes the next step in connection and integration in the smart home. It is a comprehensive ecosystem that allows you to live with smart lighting in all moments of life. From waking up in the morning with more energy, to going to bed more relaxed, Hue will be there for you every step of the way.