Welcome to Gcxzq's shopProducts Detail- 4 interconvertible lensmagnifications(10X/15X/20X/25X) are included for your various needs, and well packed in a stable case for easy carry and long time storage.- Adjustable lens angle to ensure accurate illumination of the surface of the field of view, making it easier to use- Multi-function LED lighting,for any place without light- Bracket and headband are interchangeable.Headband size, can freely adjust to fit the size of your head.- The lens is reinforced to achieve a surface hardness of H5- For reading books, newspapers, embroidery, drawing, jewelry identification, etc.- Specifications:Product material:Plastic, metal, acrylic optical lensesMagnification: 10X/15X/20X/25XEffective diameter: 20 (mm)Product specifications: 1900*145*60mmBattery: 6 LR1130 button batteriesProduct weight: 158 grams (including packaging)- PACKAGE CONTENTS:1x wearing a magnifying glass4x interchangeable head- Note:DON'T put it under the sun to prevent fire.DON'T clean with corrosive liquid but with soft cloth.