The Kind LED K3 series LED grow light is comprised of 120 high-powered, 3-watt light-emitting diodes featuring a proprietary intensified spectrum designed for flowering large yields. With the HID wattage equivalent of 450 watts, this revolutionary 270-watt grow light produces big yields while consuming approximately half the electricity and producing virtually no heat. The Kind LED grow light cultivates record-breaking yields, both in quantity and quality, while running quieter, cooler and more efficiently than any other grow light. The L450 is 120- and 240-volt compatible and measures 20 inches by 11 inches by 3 inches with a 2.5-foot-by-3.5-foot footprint. Three-year warranty.