The SolarStorm 220 LED Grow Light is the brightest in its class. The unit is comprised of 72 high flux bin OSRAM SSL. Actual power draw of the SolarFlare 220 grow light is about 165W. The SolarStorm 220 is designed to cover up to a 2′ x 2′ area for bloom and up to 5′ x 5′ for vegetative growth. During veg growth, ideal positioning of the light is about 4′ above the canopy. The SolarStorm 220 is designed to replace a 400W HPS or metal halide system. It is great for small size closet type home grow setups where quiet operation is essential. Multiple units can also be chained together to cover larger areas.