Vivan's Shop&reg; Magnifier Magnifying Eye Glass Jeweler with LED Light Repair Hands Free Brand new 20x Magnifying Eye Glasses Loupe Great item for watchmaker, jeweler, coin and stamp connoisseur Good for watch inspecting and repairing jewelries, notes, stamps, coins, etc 1.25cm Focal Distance. Powered by 2 x CR1620 Battery (not included)