Features: Glasses magnifier for reading, or viewing coins and stamps. Ideal-embroidered loupes, glasses magnifier for needlework, crafts and map reading. Light-weight. It is used for reduces eye, neck and shoulder fatigue, which is caused by long-time lower head-works. It has the characteristics of anti-scratch and easy to clean-. It is suitable for unlocking and field observation. It is suitable for learning and office. Sculpture and appreciation of artworks-. Work of dentists, tailors, embroidery, etc. Inspection and repair of cameras, clocks, etc. Specifications: Material:Plastic Size:As Picture Shown Product model: 11537DC Product material: ABS frame, four sets of optical acrylic lenses (strengthened treatment) Product size: 185x175x30mm Product magnification: 1.5 times, 2.5 times, 3.5 times and 5 times. Lens focal length: 330mm, 200mm, 142mm, 100mm. Power supply parameters: 50Hz, 5V and 0.1W Battery parameters: 300mAh rechargeable lithium battery Lighting source: two pure white LED lights. Package Includes: 1x Magnifying-Glass 1x Instructions note: ①.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. ②.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thanks for your understandings.