M-4+LED-R Large LED Lighted Reading Magnifier, with 4" Inch 4x double lens construction. This is the largest most powerful lighted magnifier 4" inches or larger available anywhere. The large lens size, high lens power, and wide field of view makes this magnifier and ideal reading magnifier, especially for people with low vision issues, or that just want a higher power magnifier to reduce eye strain and small print reading fatigue. This magnifiers unique high power is achieved by its unique double lens design, the second lens easily snaps on to the other lens. (Now available with our optional 70 lumens super illumination led bulb for maximum illumination and high contrast ideal for those that need maximum light and illumination). Available in Black or White, please specify color below if you have a preference. Uses/requires two "C" batteries. *We recommend only using high quality batteries such as Duracell, Energizer, etc. Made in USA