3 Interchangeable Lens - 3 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 Headband - Comfortable eyeglass frame or switch to a headband to ensure tight wearing and reduce fatigue for long time use.
Widely Use - Various lens for mechanical processing, beauty & makeup, jewelry appraisal, clock repair, and miniature engraving, etc.
2 Adjustable LED Lights - can 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.