Growers Choice ROI-E200 LED Low Profile Fixture 5k Spectrum for indoor garden use. The ROI-E200 is the newest member of the ROI-E series by Growers Choice. Its versatile compact with high intensity 5k spectrum this fixture is excellent for commercial cultivators that need reliable low profile lights to perform excellent in all stages of plant growth while excelling in veg growth state. The ROI-E200 designed to be a functional seed to flower fixture, for growers who are looking to cultivate a quality garden in limited space.