Growers Choice ROI-E720 LED grow light fixtures are the next generation high intensity commercial horticulture LED fixture. With unbeatable safety, reliability, savings and performance the ROI-E720 is the best choice for cultivators who demand quality and quantity.Growers Choice ROI-E720 is the most powerful LED grow light in its class. With a standard ppf of 1850 umol and a BOOST feature that raises the output of up to 2050 umol ppf, the ROI-E720 gets results. Use with the Growers Choice master controller (or comparable device), for profes