LRX-200 Large Rectangular LED lighted illuminated magnifier 3x aspheric lens, with "Ambidextrous" LED illumination 2" x 4" 3x main lens and 5x bifocal. (Available with or without bifocal lens) 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. The LRX-200 is a very durable magnifier, we have been making this model for over 35 yrs with continual improvements to make it more durable and useful. This Magnifier has an aspheric lens that provides a powerful 3x where all other lighted 2"x4" magnifiers have 2x-2.5x. Uses two "AA" batteries. Bright LED. Made In The USA