Material of Lens: Optical GlassAll-metal magnifierIlluminated by LED and ultraviolet lampGreat for Gems & Diamonds、 jewelry、 coins、 stamps & antiquesInspect object at 40 times powerYou can get an extremely close view of the tiniest detailsIdeal for finding the hallmarks on silver and goldComes in a nice carrying case for protectionDesigned with a small loop to attach to a neck chain or key chainWith a fine plastic protective caseFoldable and easy to carryPush switch to turn ON-OFF-ONMagnification: 40XLens Diameter: 25mmCase size:app.9.2cmx6.3cm/3.6''x2.5''Illumination: LED Light 、with currency detecting function lampPower Supply: 3x LR1130 batteries (included)Color: As the pictures showQuantity: 1 Pc