Dimmer switch connects with up to 10 smart lights (sold separately) so you can instantly dim or brighten any room Wireless installation lets you attach the switch to walls and magnetic surfaces or use the switch as a remote Compatible with the Philips Hue Bridge (sold separately) for additional customisable controls Philips Hue + Spotify The first-ever deep lighting and music integration translates the music you hear into the light you see. Play Spotify music on any speaker and watch your lights react (Hue Bridge required)