Need a larger LED Grow Light? This 500W unit covers 12 square feet (3"x4"). 168 individual 3W LED Diodes in a light this size is extremely effective for flowering your plants. 6 bands (unique color wavelengths) of light are used to optimize the light that flowering plants require. A unique combination of 60 degree, 90 degree and 120 degree LEDs are used for a perfect balance between penetrating power and coverage area. Lighthouse Hydro has formulated their lights to maximize the color spectrum needed for vegetative or flowering growth.