Jewelers Loupe Magnifier with LED Lights uses a high quality optical lens designed for crystal clear magnification. This is perfect for magnifying jewelry, coins, gems, trichomes, watches, stamps, diamonds, photos, plants, industry, reading, and much more! Specification Product name: Reading magnifier Diameter: 40MM Material: ABS PU leather case optical lens Magnification: about 5 times Light source: 2 CR1620 button batteries (not included) Size: 85 54 15MM Net weight: 48G Application: Student Field Examination Jewelry Appraisal Office Printing and Manufacturing Elderly Reading Newspaper Observing Stamps Appreciating Appreciation, etc. Packing list: 1 LED Page Magnifier Thank you for your choice, if you have any questions during use, please contact us, we will reply you within 24 hours, I wish you a happy life!Glass help you see smaller details with least eye strain. Note: Please tear off the protective film on the large mirror surface of the glass before use. Magnification lens ensures a clear distortion-free image and life-time usage. And the scratch-resistant, crystal-clear lens are more clear and color-correct than common acrylic lenses. LED lamp bead, night reading mode, even light without glare, protect the eyes. 5 times magnification effect, the zoom effect is clear and sharp, the image is not gray, anti-fatigue, the eyes will not be tired for a long time. Magnifiers are made from high quality ABS plastic, smooth surface, ergonomic lightweight design makes it comfortable for handheld use.