Large magnification area for easy reading. SuprVision Magnifiers are ideal for reading maps, contracts, newspapers, or any small print. The powerful, optical quality lens on both the Standard and Lighted models measures 5" (13cm) in diameter. Lens is unbreakable and scratch-resistant. Round handle fits comfortably in the hand. The Standard model provides 2x magnification and features a 5x bifocal inset. The Lighted model provides 2x magnification and features a 6x bifocal inset. Lighted model requires one "AAA" battery (not included).