Daylight U32100-01 Combo White Lamp Multifunctional art and hobby lamp, uses two different types of lights: 28w circular daylight tube or round incandescent bulb (not included) High-power desk lamp with 3 by 14-watt daylight tubes (250w equivalent) Perfect for lighting up large wide work areas and tables Flicker-free electronic ballast Replacement tube: 28-watt daylight u12020 energy saving circular tube