Comfortable Ergonomic Handle Suitable Magnifier for Children, Adults, Seniors, Hobbyists and Professionals. Magnifier Improves Quality of Life - for Mom, Dad, Elderly People with Ular Degeneration and Visually Impaired. Product Name: Magnifier Expanded Size: Length 85Mm, Width 5Mm, Mirror Diameter: 40Mm, Thickness 15Mm Product Material: Abs Mirror Material: Optical Lens Product Power: 2 Button Batteries Product Applications: Field Trips, Electronics Industry, Laboratories, Healthcare, Coin Identification, Antique Identification, Stamp Observations, Etc. Prompt: This Product Only Sells Magnifier, and Does Not Contain Other Products. Thanks to Your Understanding, the Product Will Have a 1-2Cm Error Due to Manual Measurement. I Am Sorry, Due to the Lighting Effects and the Brightness Contrast Settings of the Display, the Color of the Website Photos and Actual Items May Be Inaccurate, Thank You for Your Understanding. 100 Customer Satisfaction, Delivery Time 10-15 Days, Return Time Within 30 Days, If You Can'T Receive It Within 30 Days, Please Contact Us, Our Goal is to Reply Within 24 Hours.Magnifier Uses 2 Button Batteries, Uses a Led Lamp Beads, Night Reading Mode, Light is Not Harsh, Comfortable and Easy to Use. Ideal Magnifier for Viewing Fine Details in Books, Newspapers, Magazines, Maps, Electronics, Miniatures, Jewelry, Pill Bottles, Hobbies and Crafts. Uses: Amateurs, Stamp Collectors, Jewelers, Map Readers, Watch Repairs, Students, Etc. Magnifier Ergonomic Construction Gives It a Good Balance and a Comfortable Grip, Make You Feel Not Too Heavy or Too Light. High-Quality Optical Lens, High Transparency, Small Dispersion Coefficient, High Visual Field Coverage.