This magnifier is perfect for magnifying jewelry, coins, gems, trichomes, watches, stamps, diamonds, photos, plants, industry, reading, and more!Product name: Reading magnifierProduct material: metal shell, acrylic double-layer optical lensMirror diameter: 25mmProduct magnification: 40 timesBattery model: 3 LR1130 button batteries (not included)Lighting source: 2 white LED lights, 1 currency detector lightProduct size: 62*30*28mm (folded), 105*30*28mm (opened)Packing size: 90*65*38mmProduct weight: 92gpacking list:Magnifying glass * 1If you have any questions, please contact us in time, we will answer your inquiry within 24 hours