Super Bright Led Lighting Fixture Kit 18 Inch C-style True Pure White 5000k with Power Supply Low voltage safety operation, 12 volt power transformer included. Use small portion of electricity, as little as 18 watts in total. Total light output is about 1200 lumens. 5,000 kelvin true/pure white light emitting color, like daylight. Highly transmittable clear acrylic optical lens are used, 110~120 wide beam spread.