Product Name: Folding Magnifier Product Material: Metal and Glass Effective Diameter: 30 (Mm) with Two Button Batteries, It Provides Enough Light Source and is Easy to Replace When Using, Please Place the Magnifying Glass Close to the Plane of the Object to Be Viewed, and the Static Object Can Be Seen More Clearly the Lens is Made of Glass and Cannot Be Bumped. It is to Wipe the Lens with Silk Before Use. Tri-Fold (10X) Magnifying Glass (Metal Frame, with Light, Scale, with Tie Rod) Scope of Application: Applicable to Financial, Fiscal, Philatelic, Welding, Textile, Printing and Dyeing, Measurement, Photography, Advertising,Ing and Calligraphy, Electronics and Other Industries to Observe Coins, Tickets, Cards, Paper and Printing Outlets Can Be Used for Animal and Plant Specimens, Public Security Department of Identification and Analysis of Evidence, Science Experimental Research and Other Industries. Do Not Place the Magnifying Glass in Direct Sunlight to Avoid a Fire. Do Not Use a Magnifying Glass to Observe the Sun to Avoid Burns. Do Not Wipe the Lens and Cg with Chemical Liquids Such As Alcohol or Gasoline. We Value the Shopping Environment of Each Customer. This Product Only Sells Magnifier, and the Image Does Not Contain Other Products.Made with Scratch Resistant, Shatterproof Clear Optical Grade Lenses Designed for Seniors, Students, Professionals, People with Low Vision Andular Degeneration. the Powerful Magnification Allows Aging Eyes to See Intricate Details and Fine Prints with Amazing Clarity. Offehigh Clarity to Observe Tiny Texts, Parts, and Details, the Page Magnifying Glass Helps You Study Maps. This Magnifier is Perfect for Anyone Who May Either Have Sight Issue or If You Just Want a Closer Look at Anything You Read or Do. Desktop Magnifying Glass Clear Imaging, Simultaneous Observation and Measurement, Compact Structure, Easy to Use, Beautiful Appearance and So On.