ROI-E720Growers Choice is proud to present the ROI-E720, one of our next generation high intensity commercial horticulture LED fixtures. By far, the most powerful LED grow light in its class, the ROI-E720 has a standard ppf of 1850 umol and a BOOST feature that raises the output of up to 2050 umol ppf, when used with the Growers Choice master controller (or comparable device), for professional cultivators who demand ultimate PAR output. The ROI-E720 is IP65 water resistant rated, UL 8800 certified, and Horti DLC certified for energy efficienc