Product Description Finally, a UFO with 3W chips. Newly designed for 2012, the Blackstar 135W UV unit is grow for high intensity small grows. Perfect for a 4 square foot area (2'x2'), these units can be easily ganged up to cover a larger area. Lighthouse Hydro has formulated their lights to maximize the color spectrum needed for vegetative or flowering growth. This unit has 6 Bands (6 unique color wavelengths), and uses 3W LED diodes for the best possible light penetration.