1. Headband Dimension: 200mm in diameter; Approx. Weight: 622g
2. Includes five (5) interchangeable, inter-convertible, and detachable lenses with storage box (lens magnification marked in the middle of the lens). ABS molded acrylic lens provides clear and undistorted image.
3. Single-Plate Lens Magnification: 1.0x, 1.5x, 2.0x, 2.5x, 3.5x; Bi-plate Lens Magnification: 3.0X, 4.0X, 4.5X, 5.0X, 5.5X, 6.0X; Lenses are shaped like spectacles
4. Comfort fit head band is adjustable using head gear tightening knob. Detachable head lamp is made of 2 bright white LED lights that require 3 AAA batteries (included).
5. Suitable for reading, jewelry appraisal, crafting, engraving, art or collectibles inspection, electronic device and watch repair, mechanical or manufacturing processing