Features: It is very convenient to carry and you can use it anywhere. With this dual LED light source, you can clearly see objects in the dark or in low light. Great for rock collectors, coin collectors, jewelers, hobbyists, and also makes a great gift for the kids to explore the fabulous tiny world. Just Pull Out the Jewelry Magnifier to Use, and Put It Back When Not In Use. This 40X magnifying glass Illuminated Jeweler Loupe is built from durable metal with an optical glass that is 25 mm in length and has a dual bright LED light. Specifications: Material: Aluminum Alloy+Plastic+Optical Glass Size: approx 5.8x3.3x2.5cm/2.3x1.3x1in Magnification: 40X Power supply: 3x LR927 button battery (included) Effective diameter: 25mm Lighting source: 2 LED Note: Please allow 1-3cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1x Foldable Magnifier