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. Features: Foldable and Easy to Carry Great for Watch Making, Inspecting , Coins, Stamps and Antiques Etc Specifications: 1. Magnification: 30X 2. Lens Diameter: 21Mm 3. Material of Lens: Optical Glass 4. Outer Material: Stainless Steel 5. Product Size: 42 X 25 X 18 Mm 6. Color: Gold Package Includes: 1 X Jeweler Loupe(Without Battery) 1 X Plastic Protective CaseSatisfaction 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. the Shatter Resistant Lens with No Smeaand Bluron the Images. Clear Distortion-Free Magnifying Lens. High-Precision Glass Lens Brings Subtle Details. Scope of Application: Student Field Trip, Identification, Inspection and Maintenance, On-Site Observation, Suitable for Children, Adults, Seniors, Amateurs and Professionals. Material: Optical Lens, Scratch-Resistant, Abrasion-Resistant.