Glass Lens-2.5X Power This illuminated desk magnifier is well designed and is a very useful magnifier. JUST PLUG IN The illuminated desk magnifier has a fluorescent bulb--giving the user desired light for detailed type work. The flourescent desk magnifier lens is 3.0'' diameter, and overall is the perfect size for placing on a desk--doesn’t take up much space. This Illuminated Desk Magnifier has all kinds of uses: Reading, photography, craft-work, close-up inspection of variousmaterials, and nail care professionals. Just plug in. 1110V/60 MHZ. Distortion Free Lens.