It's an led from all the tests I've seen seems to be the best for the size of veg tent I'm using it's coverage for veg is 80cm×80cm my tent is only 75cm×75cm×1.6m I will be drying in my flower tent which is 1.5m×1.5m×2.2m I've got an adjust a wing Hellion vs3 led for there 1000w actual draw 1030w