Compact Magnifying Lamp - 3.5x power - White Use as regular adjustable desk lamp with cool-running, eye-pleasing & efficient fluorescent light Powerful 3.5" glass lens with 10 Diopter (237.5% magnification) Great for examining documents, photographs, collectibles; makes it easy to read 'fine print' Small footprint on your desk, fully adjustable arm lets you choose best position then lock in place Classic White finish matches any decor; instant-on power switch conveniently placed on lamp base