Spider Farmer® SF4000 Samsung LED Grow Light (4'×4’/5'×5′)Cutting Edge LED Chips for Unrivaled Performance: Introducing the Samsung LM301H EVO LEDs. With superior light quality and an increased light output per LED, they harness a more potent blue spectrum, all while achieving a level of efficiency unattainable by non EVO LEDs. Veg footprint is 5 x 5 ft, Flowering footprint is 4 x 4 ft. IDEAL FOR ALL GROWTH STAGES: With excellent full spectrum light white, blue, red, and IR (3000K, 5000K, 660nm, and IR