Black Dog LED PhytoMAX-4 2S Grow LightCompact 125 W fullspectrum LED delivers 266 mol s with an 8wavelength spectrum for maximum yield per watt. Designed for small grow spaces that demand big results, the Black Dog LED PhytoMAX 4 2S is a 125W powerhouse with 266 mol s output, fine tuned for maximum yield per watt. Unlike standard LED grow lights that rely on basic white and red LEDs, this full spectrum fixture incorporates 8 wavelengths, including UV, violet, blue, red, and infrared, to