The Illuminated Handheld 5x Power 2.5″ Aspheric LED Lighted Magnifier SV-50 is a 5x aspheric magnifier. Aspheric lens magnifiers allow for increased magnification and image clarity while greatly reducing edge to edge distortion. Its 2.5” crystal-clear acrylic lens allows it to be lightweight enough to use for everyday tasks. The SV-50 is a great low vision aid and assists in reading small print. It features an ultrabright LED light to brighten your viewing area. Uses 3 AAA batteries (not included).