Overlay magnifying glass with 8x magnification and LED lighting. Lens diameter: 23 mm. Visible area: Ø 30 mm. With scale (measuring range: 10 mm, scaling: 0.1 mm). Adjustment ring for focus adjustment. Plastic housing with translucent lower part (open on one side). Ideal for postage stamps, banknotes, coins, photos, jewelry and small fossils and minerals. Battery operated: 2x 1.5 volts, type AA (not included). External size: 131 x 50 x 46 mm.