About this item Magnifying glasses with light: This magnifying glass features 6 built-in LED lights, 3 white lights for general magnified observation, and 3 UV lamps for the money detector magnifying glass. These energy-efficient LED lights are designed to help you read at night or in dark places. 30x Magnification, 25mm Dual Lens: This 25mm/0.98 inch diameter double-layer optical glass lens provides a clear image and good light transmittance. The 30x lens is perfect for miniatures, jewelry, or professional inspections. Solid and durable: Made of solid zinc alloy with a black paint finish. There are two precise scales on the base: 1/16 inch and 0.5 mm. You can quickly measure the size of the object. This microscope magnifier is very durable and not easily damaged. Hands-free and easy to use: The focal length of this tabletop magnifier is fixed and does not need to be adjusted. Simply place the magnifier anywhere on the table and place the object in the center of the scale. White light