Coleman Company 00857 - 2000000857 ETU-HS/S15W/6500K Twist Pin Base Compact Fluorescent Light Bulb Twist / Spiral Fluorescent Light Bulb Color/Finish: Daylight Color Temperature: 6,500K 4-Pin Base, 15-Watt Bulb Fluorescent lighting onverts more of the input power to visible light than incandescent lamps