Ikea - Floor uplighter/Reading lamp, White These lamps can be both general lights and reading lights and can be switched on and off separately.Light bulb is Included. IKEA recommends LED bulb E27 400 lumen globe opal white.Use an opal light bulb if you have an ordinary lamp shade or lamp and want an even, diffused distribution of light.Use a clear light bulb if you have a lamp shade or lamp with a perforated or cut-out pattern or other airy, open design and want the pattern to cast effects on the wall and ceiling.