HM-5D Headband Magnifier with 5 lens system and dual led lights provides magnification from 1x-6x magnification. This high quality headband magnifier is ideal for small detailed tasks that require hands to be free. Optical grade acrylic lenses provide a dynamic magnified view, and lenses flips up for normal viewing. The lenses are prismatic so both eyes focus on the object being viewed at the proper distance for magnification being used, thereby relieving eye strain and fatigue. Comes with 5 lens -1x,1.5x,2x,2.5x, 3.5x. In combination when doubled up these lenses can also provide 3x, 4x, 4.5x, 5x, 5.5x, 6x magnifications.