The SolarFlare 220 LED Grow Light is the brightest in its class. The SolarFlare 220 is designed to cover up to a 2 x 2-foot area for bloom. To get a good spread, you want to position the light approximately 12 to 18-inches above your canopy. It's comprised of 44 super intensity 5-watt LED emitters for total nominal power of 220-watts. Actual power draw of the SolarFlare 220 grow light is about 165-watts. For Vegetative growth, the SolarStorm 220 can cover an area of up to 5 x 5-feet. In this case you want to position the light about 4-foot above your plants. The SolarFlare 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.