By far the most powerful LED in its class with a standard PPF of 1850 umol/m2/s and a “BOOST” mode that raises the output to 2050 umol/m2/s, for professional cultivators who demand ultimate light output.The ROI-E720 was engineered with greater dimensions to provide more versatility and better canopy coverage, especially to the outer edges of 4’x4’ cultivation areas.The ROI-E720 is IP65 water-resistant rated, UL8800 certified, and Horti DLC certified for energy efficiency rebate eligibility. With unbeatable safety, reliability, savings and perfo