Insten 30X Magnifying Glass with LED Light for Jewel/Watch Repair This Magnifying Glass is the ideal tool for jeweler, watchmaker, coin and stamp connoisseur. Adjustable LED Light for better illumination. Loupe can be adjusted on the eye glass frame. Wide view, great for watch repairing and inspecting jewelries, stamps, coins, notes, etc. Magnification: 30 X. Lens Diameter: 0.83 inch/ 21mm. Illumination: LED light. Uses: 3 x LR1130 batteries ( included ). Color : Black. Folded size: 2.09 x 1.38 x 0.83 inch/ 5.3 x 3.5 x 2.1cm. Unfolded size: 3.19 x 1.38 x 0.83 inch/ 8.1 x 3.5 x 2.1cm. Includes: Jeweler loupe x 1. LR1130 batteries x 3. User manual is included. Accessory ONLY.