Your Satisfaction is Our Greatest Pursuit. If You Have Any Questions, Please Feel Free to Contact Us, We Will Reply to You Within 24 Hours. Product Name: Metal Desktop Magnifier Lu Material: Metal, Glass Lens Weight: 100G (Including Packaging) Product Size: 38 45 50 (Cm) Lens Size: 40Mm Product Magnification: 10X Lighting Function: Led Lights (2) Battery Model: Button Battery (In Order to Ensure Safety, the Product Does Not Have a Battery, Please Understand) This Product Only Sells Magnifier, and the Image Does Not Contain Other Products.Lenses: High-Definition Optical Lenses, Scratch-Resistant, Clear Images. Scope: Reading Books, Reading Newspapers, Magazines, Student Field Trips, Jewelry Identification, Inspection and Maintenance, Field Observation, Viewing Stamps, Medicine Bottles, Hobbies and Collections. Ultra-Light Handle:Ergonomic Handle, Light Weight, Non-Slip, Comfortable Grip, Long-Term Use, Not Easy to Feel Tired, You Will Like It. Advantage:Can Be Carried with You, Walking Magnifying Glass, Small Size, Easy to Store, Convenient for You to Use and Store. Function: Professional Optical Lens, High Light Transmittance, High Refractive Index, Stable Physical and Chemical Properties, Small Dispersion Coefficient, No Distortion in Imaging, for the Eyes.