Deluxe Illuminated Visor Magnifier Set. Includes the following lens plates: 1.2x with a working distance of 20 to 24 inches; 1.8x with a working distance of 9 to 12 inches; 2.5x with a working distance of 6 to 10 inches; and 3.5x with a working distance of 3 to 5 inches. Requires two AAA batteries which are not included.