Join the Spectral Revolution Kessil H150 is an innovative high intensity LED grow light designed specifically for indoor growing experts. At the heart of this device is a patented LED technology platform, a high-density LED array core encompassed by specially created optics, that puts out a powerful stream of light for in-depth penetration into plants. Each unit runs coolly and efficiently. Drawing less than 36W from the plug, H150 is truly a high performance, energy saving, and long lasting light fixture made to meet today's demanding indoor gardening requirements. The compact H150 is extremely modular and provides growers the flexibility to arrange lights according to different growing environments. PURPLE General Purpose, Special Penta-band Recipe A general purpose LED grow light that can carry a plant through the whole growth cycle. This special penta-band recipe combines five different types of red and blue LED chips to create a spectrum that works for every stage of plant growth.