Unveiling Grower’s Choice next generation of high-intensity commercial horticulture LED fixtures, the ROI-E720 By far the most powerful led in its class with a standard ppf of 1870 umol/s and a “BOOST” mode that raises the output to 2050 umol/s , for professional cultivators who demand ultimate ppf output. The ROI-E720 was engineered with greater dimensions to provide more versatility and better canopy coverage, especially to the outer edges of 5’x5’ cultivation areas. The ROI-E720 is IP65 water resistant rated, UL 8800 certified, and Horti DLC certified for energy efficiency rebate eligibility. With unbeatable safety, reliability, savings and performance the ROI-E720 is unquestionably the right choice for cultivators who demand only the best. Note: There is an option at the top that Includes the Growers Choice Bloom Boost UV-R Light Bar Set Features & Benefits of the ROI-E720 Onboard dimming function (100%, 75%, 50%, 25%) Fanless design for heat dissipation GC-3k Full Spectrum with 660nm deep red (top bin Osram diodes) Operating temperature: -20°C to +45°C Certifications: IP65 Waterproof; Horti DLC; UL1598 and UL880 Recommended hanging height: Propagation: 48" Vegetative: 24" Flowering: 6" to 12" Coverage area: Propagation: 7' x 7' Vegetative: 6' x 6' Flowering: 5' x 5'