The BriteView 2.5X illuminated table magnifier can be used as a illuminated hand magnifier or as a illuminated table magnifier.Two "c" batteries provide an illuminated bright view of the subject. The lens of the illuminated table magnifier is 3.5 inches.The BrightView table magnifier is nicely designed, well constucted, with a large 3.5 inch lens. Use for reading, map viewing, directory addresses.Distortion Free Lens.BATTERIES NOT INCLUDED.