Product Name: Magnifier Type: Jewelry magnifier Frame material: metal Lens material: Acrylic high-intensity lenses Light source type: Number of light sources: 1 Headband length:53.5CM Including battery: not included Scope of application: reading for the elderly, antique appreciation, field trips, etc. 1: manual measurement, 1-2cm error, according to actual needs. 2: This product is a real shot lens, due to shooting technology and environmental reasons, there will be slight differences between the image and the object, please refer to the real thing. 3: This product contains only the product itself,If you have quality or shipping defects, please give us two photos so that we can provide you with the best solution and provide better service in time. Note: Due to the difference between different monitors, the pictures may not reflect the actual color of the item. Compare the detail sizes with yours, please allow 1-3cm error, due to manual measurement. Thanks for your understandings.Compact and stylish design, lightweight, portable, durable, made of metal material, the surface without any edges. Acrylic high-intensity lenses, glass, clear imaging, scratch-resistant, suitable for different occasions. Lightweight and comfortable ergonomic design for the elderly and amateurs. metal frame, unique ergonomic design, comfortable feel, natural balance. High magnification, high-definition lens, easy to carry, fine workmanship, feel comfortable, is an essential item for fieldwork, jewelry appraisal and other work.