Magnifier with light: This magnifier has built-in 6 LED lights, 3 white lights for general magnifying observation and 3 UV lights for banknote inspection magnifier. These energy efficient LED lights are designed to help you read at night or in dark places. 30x Magnification 25mm Dual Lens: 25mm/0.98" diameter, this dual-coated optical glass lens provides clear and bright images. Good light transmission. The 30X lens is perfect for miniatures, jewelry or professional inspections. Robust and durable: Made of solid zinc alloy with black paint. There are two precise graduations on the base: 1/16 inch and 0.5 mm. You can quickly measure the size of objects. This microscope magnifier is very durable and not easily damaged. Hands-free and easy to use: The focal length of this desktop magnifier is fixed and requires no adjustment. Just place the magnifying glass anywhere on the table and place the object in the middle of the scale. White light and UV light can be easily turned on/off with just one button. 7 oz) for easy portability. Package includes 1 magnifying glass and 1 soft leather case.