OTTLITE-Tulip Desk Lamp. Ottlite helps you see everything clearly and comfortably with our incredible Ottlite 508 illumination-a precise balance of contrast and brightness unlike any other. Details and fine print are incredibly clear and colors are vibrant and spot- on accurate. The Tulip Desk Lamp features an adjustable height from 16-23-1/2 inches and comes with an energy efficient bulb that is rated to last for up to 8000 hours. This package contains one lamp and one bulb. Measurements: 23-1/2x5-3/4 inches when fully extended. ETL Listed 3181979. Power Cord approved for North American outlets only. Imported.