8 bar Full spectrum commercial led horticulture lighting Powerful and Built tough, Fits well in vertical racking systems Samsung 301b diodes 2147 úmols Ac input voltage 120-277V AC, 50/60Hz Dimension 47.32x45x3.37 Lifespan50,000 hours Dimmer built in etl, cetl certifications ip43 Foldable for easy installation 5 year warranty