Operating using 115 V current, replaceable AA batteries or 12 V car power, this multiple LED Work Light uses a concentrating lens to enhance illumination. The main lens is 3 x 4". Two moveable supplementary lenses produce 6 choices for magnification - from 1.8 to 8.5X. It's superb for parts repair, carving, quality inspection, reading very small type, and much more. And it's very energy efficient. A quality piece of gear. Imported.