Large Magnification: 3X Lens diameter: 130mm Product size: 250 130mm Product weight: 171g Product material: ABS, optical lens Medium Magnification: 4X Lens diameter: 100mm Product chicun :232 110g Product weight: 115g Product material: ABS, optical lens small Magnification: 6X Lens diameter: 75mm Product size: 170 75mm Product weight: 49g Product material: ABS, optical lens High-quality optical lens, high transparency, low dispersion coefficient, high image quality and high definition in the entire field of view. Optimal to enhance reading and viewing very fine details in books, newspapers, magazines, photographs, maps, electronics, miniatures, jewelry, pill bottles, medications, hobbies, models, and crafts of all kinds. ENLARGE THE WHOLE WORLD - Brings so much fun for kids nature exploration and helps seniors reading the fine prints Your personal shopping manager is at your service: 1. If you have any questions, please feel free to email us, we will reply you to provide you with the best service. 2. If you are satisfied with our products, please leave your valuable suggestions or product reviews, thank you for your trust and support. 3. If you have any dissatisfaction, please contact us first, we will solve 100 of your problems.High-quality optical lenses, high transparency and low dispersion coefficient make high-quality optical glass lenses for high-definition imaging in the entire field of view. Ideal for viewing fine details in books, newspapers, magazines, maps, electronics, miniatures, jewelry, pill bottles, hobbies and crafts. Constructed out of unbreakable ABS making it lightweight and sturdy than most of other reading magnifiers, it is ideal for long reading time without fatique hands. The Lightweight Comfortable ergonomic design handle is perfect for longer reading time without tiring hands. No squinting anymore when reading the books! With hard and anti-scratching feature,quality glass lens makes superb quality image without distortions. Great for books pages papers insect and kids hobby observation.