Style Name:Task Lamp This dual function LED magnifier lamp is ideal for close-up work, reading, crafting, sewing and more. The 48 energy-saving LED bulbs will be sure to illuminate any project and the adjustable architect style arm allows the magnifier shade to be precisely focused on the task at hand. The 3-diopter glass lens comes with a protective cover to prevent scratches and dirt build-up. The lamp includes a desktop base with a locking pin to prevent the lamp from unintentional lifting during use, as well as a non-slip clamp which can be affixed to a variety of horizontal surfaces (maximum clamp opening is 2-1/2 inches). The lamp can easily be interchanged between the desktop base and the clamp. The height is about 22 inches when in the usual user position. This lamp is ETL listed and the irreplaceable LED bulbs are included. A manufacturer's 90 day limited warranty is included.