Growers Choice ROI-E680S - LED Grow Light FixtureVeg Footprint: 6 X 6 Flower Footprint: 5 X 5Watts: 680WSpectrum: FullWarranty: 5 Years The Growers Choice ROI-E680S is an improved 2nd generation redesign of one of the best lights on the market.Continuing its distinguished tradition of reliable harvests with improved light distribution, heat management for increased performance, and an enhanced conformal coating that results in greater resistance to chemical pollutants. The fixture has been reengineered with improved controller capabilities