Hydrofarm SBC250 250-Watt Sunburst HPS and MH Convertible Bulb Reflector 25% brighter for faster growth Quieter with ISO-mount technology Air cooling options Includes instructions, hangers, and lighting recommendations Add a bulb of your choice (sold separately) CSA certified 250 watts, 2.5A, 120V, 60Hz Runs HPS or MH bulbs