Diastar LED Magnifier Lamp 90 ultra-efficient LED produce eye-pleasing task lighting on less than 7-watts - last 100,000 hours Premium 2-in-1 lighting & magnification tool for professional, home or hobby use - great reading aid See print objects at 225% original size with brilliant clarity large 5" optical-quality glass Automatic memory arm adjusts position with finger touch and then holds it; 3-way swivel lamp head Quick-attach clamp fits anywhere, takes up little space & allows full arm extension without tipping