Perfect Sun Black Diamond COB LED grow light uses only 675w to replace your 1000w Hps.Full spectrum light without the heat and energy use of an HPS bulb.We used for 2 cycles and were stoked on the performance and output. Life circumstances changed and we need to move on so everything must go. Upside is you get a pretty much brand new light for half price.Purchased new for $800 from Perfect Sunsee full description: