How is This Magnifying Glass? Perfect for the Elderly, Young and Amblyopic Great Magnifier for Seniors, Children and Those Who Have Low or Impaired Vision of Most Types. It's Excellent for Reading Books, Newspapers, Magazines, Maps, User Instructions, Etc and Other Close Works, Such As , Watchmaking, Handcraft and Exploring. Main Role: Used for Philately, Finance of the Electronics Industry, View Banknotes, Tickets, Mail, Coins, Paper and Print Shops. Quickly and Accurately Identify Counterfeit Banknotes with Extremely High Resolution and Purple Light Errors, Please Use This Instrument under This Microscope, the Pattern is Clear and the Lines Are Continuous. the Pattern of Counterfeit Banknotes is Mainly Composed of Dots, the Lines Are Incoherent, Shallow, Fuzzy, and Dimensionless Used in the Industry, You Can Observe the Internal Structure of Gems, the Molecular Arrangement of Sections, and Analyze and Identify Ore Specimens and Artifacts Size: 170 40 145Mm Used in the Electronics Industry to Observe Traces and Quality of Printed Circuit Boards Copper and Platinum for the Observation and Research of Bacteria Ands in Agriculture, Forestry, Etc. It Can Also Be Used for Animal and Plant Specimens, Scientific Experimental Research, Etc.20X Magnified Led Light Eye Magnifying Glass,Without Battery. Material: Pmma Resin. Satisfaction Goal: Our Goal is to Provide Creative, Innovative Products So That Everyone Can Have Quality, High-End Enjoyment. We Are Committed to Making Sure You Love Your Purchase, So If for Any Reason You Are Not Satisfied, Please Contact Us and We Will Make Things Right. Effective Diameter: 16Mm, Magnification: 20 Times, Size: 170 40 145Mm. Magnifying Glass Ideal for Viewing Fine Details in Books, Newspapers, Magazines, Maps, Electronics, Atures, Jewellery, Pill Bottles, Hobby and Crafts.