FOLDABLE POCKET MAGNIFIER GLASSES: for Jewelry Authentication, Jewelry, Rocks, Stamps, Coins, Watches, Hobbies, Antiques, Models, Photos Industry DUAL LENS: Primary Lens: 30x 22mm, Supplementary Lens: 60x 12mm. You Can Choose Different Lens Freely, Random switchover, Meet your different needs. LED LIGHTING ILLUMINATED - Switch On/ Off for Bright White Led Light Convenient For See the Objects Clearly Under Insufficient Sunlight or Dark Environment PORTABLE LIGHT WEIGHT - Foldable and tiny, great to have one in your pocket all the time. Optical glass lens provides clear view field, Folding metal cover protects lens PREMIUM DESIGN - EASY TO USE - Just Pull Out the Jewelry Magnifier to Use, and Put It Back When Not In Use. It Requires 3 LR1130 Batteries (Batteries is Included)