This ultra-high-output Full Cycle LED Grow Light 660w produces full-spectrum white light that’s ideal for growing flowering plants. Its 1782 µmol/s light output matches or exceeds that of traditional 1000W DE HPS Grow Lights. Its low profile allows to be used in vertical grow configurations. It is passively cooled by its ladder design. It comes with a built-in dimming control knob and has remote dimming capability. ETL Listed with a 5-year warranty.