My bad not ks2000 its the xs2000 model. Its been a good light for me for a few grows. I like it because the dimmer is fully adjustable from 0 - 100 percent. The ks 3000 are preset at 25 50 75 100. The xs 2000 flowered these two photoperiods at 18" from canopy i added an xs1500 in the last few...