Offers four levels of magnification (1.5x, 3x, 8.5x,10x) in the one head-mounted magnifier. It features an easily adjustable head band with tilting visor, as well as an inbuilt LED lamp that is also adjustable, allowing a crisp clear view. It is ideal for repairing equipment, hobbies and crafts. Requires 2 x AAA batteries (sold separately) Applications Include: Operate or read at dim or dark place. Assemble or repair small fittings. Jewellery work Electronic board inspection Reading fine print, maps and documents Quality control inspection Also good for work such as carving, handcraft, sewing and repair engineers. Features Flexible lens combination for higher magnification. Detachable LED light device. The tilt degree of LED light is adjustable. Thumb screw to adjust the tilt degree of lens. The belt size can be adjusted freely. Ideal for detailed, small work. 3 separated lenses with multiplying power of 1.5x, 3x, 8.5x, 10x. Specifications Material of Lens: Acrylic resin Materials: ABS resin, PP resin Magnification: 1.5X, 3X, 8.5X, 10X Lens Size: Round Ø29mm, Square 89x29mm Light Source: 1pcs high power LED Battery: 2 x AAA (not included)