LED and UV: You can clearly see the objects with this double source of night LED light or in low light conditions. The detector UV light works like a ticket for such as paper, passport, credit cards, and travel controls, etc. pocket: it is very easy to carry and you can use it N ' where. It requires 3 LR1130 batteries (including batteries). Function: Eye magnifying glass is ideal for rock collectors, coins, jewelers, creative hobbies and also a great gift for children to explore the fabulous world small. Foldable: Shoot the magnifying glass jewelry to use, and a back in case of non-use. This 40 x bright magnifying glass magnifying glass is constructed of durable metal with an optical glass is 25 mm long and has a double led. .Caracteristics: Product size: about 11.6 x 3 cm Voltage 1.5 V Diameter: 25 mm ON OFF SWITCH Illumination: LED and with UV currency detection Applications: Professional (watchmaking,) Medical science Parts and stamps Collectors Geography Printed circuit and printing sector Gardening Education Home and office