General description This 40X Jewelers Magnifying Glass is a versatile and portable tool designed for various applications. Its foldable design allows it to be compactly stored in your pocket, measuring just 5.5*2.5*3 cm, making it easy to carry while protecting the lens from scratches. Technical specifications Magnification: 40X Dimensions: 5.5*2.5*3 cm Material: Aluminum alloy housing, environmentally friendly ABS plastic, optical glass Power: LR1130 battery (included) Usage Ideal for industrial use, circuit board inspection, printing industry, medicine, gardening, coin and stamp collection, jewelry evaluation, identification, education, and geography. Equipped with LED light for visibility in dark or dim conditions and UV light for currency identification. Other information Includes professional battery replacement tools for easy battery cover opening and replacement.