1.Head magnifier, 2.With led lamps, 3.four lens. Head magnifierSpec.: 1.5x, 1.8x, 2.5x, ... 3.5x,ABS, PMMA, PP, PTR, etc material,Special LED lamp ... and observing curio, stamps and other microminiatures.Length of head belt: About 50-60cm. Battery: AAA UM-4 ... carton of 65X44.5X49CM of Gw 15kg. Led head magnifier/ Head Magnifier/ headband loupe