Description:This eye glasses magnifier can be adjusted independently allowing a quick change from regular viewing to magnified viewing. 2 LED lights make it possible to work even in dim lighting environment. It is widely used in the jewelry trade, watchmaking, photography, printing, dentistry, education, ophthalmology, geology, biology, etc. Amateur naturalists may also need it when looking at or identifying species.Features:ABS and metal material is safe, odorless, non-toxic, environmental and durable. 20x magnified view is great for watch repairing, jewelries, stamps and coins appraisal, etc. LED light is adjustable for better illumination. Loupe can be adjusted on the eye glass frame. Ideal for jeweler, watchmaker, coin and stamp connoisseur. Specifications:Material: ABS + Metal + Optics LensLED Light Power: CR1620 Button Batteries (Built-In)Magnification: 20xLight Source: 2 LED LightsLens Diameter: 21mm / 0.8inchSize: 170 * 150 * 45mm / 6.7 * 5.9 * 1.8inchColor: BlackWeight: 70g Type: MagnifierFunction: Helping Watch Repairing, Jewelries, Stamps and Coins Appraisal, etc.Package Includes:1 x Pair of Eye Glasses Magnifier Only