Star Sky with Fiber optics - create a great-looking star sky with our packages. A Star Sky lighting is meant as decoration lighting. For general lighting should should a Star Sky be supplemented with spotlights or other lighting. The transformer of a Star Sky lighting requires an air volume of at least 0.25 m3. Our Star Sky packages are dimmable with an electronic dimmer. The technology used in a Star Sky is called fiber optics, the advantage of fiber optics is that it will neither heat or voltage and it is completely free of UV and IR radiation.