A good solution to inspect items under a magnifier. Widely used in mechanical processing, electronic repair, jewelry appraisal, timepiece repair, and miniature engraving, etc.Main Features3 Interchangeable Lens3 different magnifications can be interchanged quickly. If this magnifier is used for a long time, may use two lens barrels alternately to eliminate visual fatigue and improve work efficiency.Detachable Bracket and HeadbandComfortable eyeglass frame or switch to a headband to ensure tight wearing and reduce fatigue for long time use.Widely UseVarious lenses for mechanical processing, beauty & makeup, jewelry appraisal, clock repair, and miniature engraving, etc.2 Adjustable LED Lightscan help work in low-light conditions (6 * button batteries Included). Easily rotate the LED switch cover about 30 degrees clockwise from the dot to the lamplight mark to turn on the light.