Smooth and smart lighting. This smart ceiling lighting track kit in black includes three cylinder spotlights, a linear light track, a 1m track, a 1.5m track and a power supply unit that sits between two tracks. Endless possibilities: • Become your own lighting designer • Fully customizable • Flexible design • Made for ceilings or walls • Control it your way • Create a personal experience with colorful smart lighting • Access all smart functions with Hue Bridge • Create the right mood with warm white to cool white light.