Phlizon Official 640w Led Grow Light Details High Par High Yield New upgraded full spectrum light,high PPFD up with high yield. Samsung 561c Diodes high-energy efficiency with 2.7g/W, Higher output but lower electricity consumption Dimmable Design can be adjusted according to the needs of plants Sunlike full Spectrum Sunlike Full Spectrum Master light easily controlled for commercial & home horticulture. Lighting Tips Light designed for all grow stages,6'x6' for veg,5.5'x5.5' for flower. US Local Warehouse Free shipping from US local warehouse.Plain package with US plug. Keywords: Energy saving, ETL safety certified, Samsung led grow light , no risk of fire or burning, high efficiency, high par, high lumen. hearlthy ,Phliz.