Portable magnifying glass: 30X lens is 22mm in diameter, 60X lens is 12mm in diameter, light weight, small size, foldable, does not take up space, can be put into wallet, shirt, pocket, etc. Easy to execute. Wide application: 2 pieces of jewelry magnifier, you can freely choose different lenses to see the smallest details. Perfect for the watch industry, for checking small objects, reading small texts or for checking gems, jewelry, coins, stamps, rocks, watches, hobbies, antiques, and more. Slide the switch to turn on 2 different lights, suitable for zooming in in the dark or light, giving you clear, sharp images. UV light can identify currency and identify jewelry. PREMIUM MATERIAL: Made of alloy case cover, ABS eco-friendly plastic and acrylic glass lens. The case protects the lens from breakage and scratches, protects the jewelry magnifier from impact, prevents dust from entering, and prolongs the use time. GREAT GIFT CHOICE: Magnifying glasses are great for stone and coin collectors, jewelers, hobbyists, industrial uses, and are a great kids to explore the wonderful world of tiny things. Battery model: 3 LR1130 button cells(Include) Lighting source: 2 LED lights Colour:black Material:ABS+Aluminum Acrylic Size:22.5 x 16 x 3.8 cm Package Contents: 1 * magnifier 1 * English manual Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.