Large Lighted Reading Magnifier, LED, 4" Double Lens 4x ,Made in USA

M-4+LED-R Extra Large LED Lighted Reading Magnifier, with unique 4" Inch 4x double lens construction. This is one the largest most powerful lighted magnifier 4" inches or larger available anywhere. The large lens size, double lens high magnification, and wide field of view makes this magnifier and ideal reading magnifier, it can be especially effective for people with low vision issues such as macular degeneration, or for people that just want a higher magnification large magnifier that will reduce eye strain & enhance small print reading fatigue, and visual inspection. The unique design that allows for high magnification is realized with its unique double lens design, a second auxiliary lens easily snaps on and off the fixed lens. With both lenses the magnification is 4x with just the fixed lens magnification is 2.5x ( This reading model is available with our optional 70 lumens super illumination led bulb for maximum illumination and high contrast ideal for people with vision requirements that need maximum light and illumination). . Uses/requires two "C" batteries. *We recommend only using high quality batteries such as Duracell, Energizer, etc. Made in USA - Lens Power/Magnification - 2.5x & 4x - Lens Diameter 4" - Lens Diopter 12 - Lens Focal Length 8" & 3.5"