The G8-450 Full Spectrum LED Veg/Flower grow light by G8LED is one of the most popular G8LED productsand provides intense coverage for 4-8 mature plants from seedling through harvest. This G8LED has the growing power of 600-800 Watts of a high-pressure sodium (HPS) or metal halide (MH) bulb, while only using 270Watts of power. This is a full spectrum grow light for both the vegetative growth and flowering cycles and provides intense coverage for 12 square feet (4feet x 3feet) (1,1sq meter-122cm x 91cm) of grow space. This light penetrates 5feet (152cm) past the plant canopy and saves 50-60% on your electrical consumption. The electrical savings will pay for the light within the first year of usage.