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:PlasticSize:As Picture ShownProduct model: 11537DCProduct material: ABS frame, four sets of optical acrylic lenses (strengthened treatment)Product size: 185x175x30mmProduct 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 0.1WBattery parameters: 300mAh rechargeable lithium batteryLighting source: two pure white LED lights. Note:.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. .Due to the difference between different monitors, the picture may not reflect the actual color of the item.Thanks for your understandings. Package includes:1x Magnifying-Glass1x Instructions