Happy Light, White Finish, Natural Spectrum, Compact Space Saving Desk Lamp, 4.75" Wide Base x 9" High, Includes 26W Gu24 Fluorescent Bulb Which Produces 2500 Lux Of Natural Spectrum Light Which Simulates Natural Sunlight To Help Improve Mood, Energy & Productivity, Soothing & Invigorating Daylight Without Harsh Glare, On/Off Switch On The 72" Cord, For Replacement Bulb Use #CFS26GU24VLX, UL Listed. Boxed