New Deluxe Illuminated Magnifier 3X. This is a new classic and deluxe 3X illuminated magnifier. The powerful magnification may help reduce eye strain. It is convenient for your home, office and travel. Enlarges fine print in books, maps, newspapers, directories, legal documents, etc. It is ideal for reading assistance in low-light conditions. Works on two C batteries (not included). The lens measures approximately 3 9/16" (90 mm) in diameter. It measures approximately 9 3/8" x 4 1/8" x 2" (238 x 105 x 51 mm).