This full spectrum LED Grow Light uses 2700pcs upgrade SMD Samsung LM561C lamp beads (3000K, 6000K and 660nm). Coverage: 6x6ft for veg, 5x5ft for bloom. Newest SMD LED technology Sunlight Spectrum, uses Samsung 561C, as known the best led in the world +ETL listed certified, actual power 800w, provides PPF output, make you get 30% higher yield compare old purple led lights, to help you achieve maximum quality and quantity, which is much better than traditional grow systems.