3 SELECTION MODES AND 16 MILLION COLORS: Hubs are not necessary. Simply use the controller to control Cololight or your mobile device's free dedicated app. FLEXIBLE DESIGN: The design can be expanded and different shapes can be created by connecting multiple hexagonal light blocks. Use the included base to place it on a desktop, or use the mounting kit accessory (separately sold) to mount it to a wall or ceiling. A single controller can connect 30 panels. DYNAMIC EFFECTS AND MUSIC SYNC: Using the integrated microphone, colors can be intelligently changed to match the sound being played. COMPATIBLE WITH HOMEKIT: You can now use Siri and the Home app on iOS devices to control your Cololight thanks to the recently upgraded Plus control unit. Voice activated, low power: