Product Details Product Name: Magnifier Product Magnification: 1X, 1.5X, 2X, 2.5X, 3.5X with 5 Multiples Available Product Type: Head-Mounted Magnifier Weight: 120G Material: Abs Frame, Optical Lens Light Source: Bright Led Light Battery: 3 7-Cell Batteries (Purchased by Yourself) This Product Does Not Contain Product Packaging: Magnifying Glass, Mirror Box, 5 Sets of Lenses Features: Lightweight and Portable, Easy to Travel, Ultra-Clear Lens, Super Application: Reading, Reading Maps, Observing Stamps, Field Observations, Antique Appreciation, Jewelry Identification, Outdoor Study, Industrial Electronics, Printing and Manufacturing, Industrial Electronics, Laboratories, Office and Home, Etc. Tips: ? the Size is Purely Manual Measurement, There May Be Some Errors, Subject to the Real Thing. ? Due to Lighting Problems, There is a Certain Color Difference, Subject to the Real Thing. If You Have Any Questions, Please Contact Us and We Will Reply Within 24 Hours!Design: Detachable Replacement Bracket, Head-Mounted and Clip-On Type Freely Switch, Internal and External Gears, Double Flip, Change with Heart, . Material: Optical Lens, 5 Sets of Different Multiple Lenses, Make Work Easy, Meet Your Needs in Most Situations, Bright Led Lights, Standard Observation Objects, Abs Plastic Frames. Applicable: Reading, Reading Maps, Observing Stamps, Field Observations, Antique Appreciation, Jewelry Identification, Outdoor Study, Industrial Electronics, Printing and Manufacturing, Industrial Electronics, Laboratories, Office and Home, Etc. Products: Head-Mounted Magnifying Glass, Product Magnification: 1X, 1.5X, 2X, 2.5X, 3.5X with 5 Sets of Multiple Options, Weight: 120G, Light Source: Led Lights. Service: Thank You for Purchg Our Products. If You Have Any Problems Dushopping, Please Contact Us, We Will Reply You As Soon As Possible, We Look Forward to Your Visit Again!.