... :3/10X 1.Use as regular flex-neck desk lamp with cool-running,eye-pleasing & efficient fluorescent light.2.Flip-up ... cover exposes powerful optical-quality 3.5"glass magnifier lens with 5-times magnification.3.Great for examining documents, photographs, collectibles ... lot of similar electronic products, varieties, good quality.For example,Jewelry Loupe,Head magnifier.