MLD-3 Aspheric LED Magnifier, 3x main lens and 5x bifocal. This Led Magnifiers Wide field of view makes this an ideal reading and inspection and scanning magnifier. This is also useful for those with early to mid stage AMD Macular Degeneration. This Magnifier has an aspheric lens that provides a powerful 3x and a wide field of view. Ergonomic design dual LED's, lanyard and rubberized handle make this a very useful low vision magnifier. Uses two "AAA" batteries.