This magnifying lamp features a 3 1/4" 3 diopter lens with a 3/4" 8 diopter insert lens to provide a detailed look at your work. Flexible 12 inch gooseneck design allows the user to adjust the lamp to various heights and positions. Lamp has a sturdy base with an easy-to-operate on/off light switch. 11W fluorescent full-spectrum tube provides long life and accurate color presentation.