Adjustable Spectrum basing on three Independent Dimmable Channels with RJ11 daisy chain option for massive grow operation via a controller. Using Top-bin Samsung LM301H LEDs and Osram ssl80 (incl. White Blend 3000k & 5000k, 660nm red, 730nm IR and 395nm UV) for best quality high yield or Samsung LM281B economic solution for remarkable good quality yield that you deserve to get.