Head magnifier, With led lamps, four lens. Head magnifierSpec.: 1.5x, 1.8x, 2.5x, 3.5x,ABS, PMMA, PP, PTR, etc material,Special LED lamp, high bright and saving power. To use it with single piece of lens or double lens. Be suitable for repair of watch, camera, cell phone and other subminiature parts and observing curio, stamps and other microminiatures. Length of head belt: About 50-60cm. Battery ...