Magnifiers with light: This magnifier built-in 6 LED lights, 3 white lights for generally magnified observation and 3 UV lamp for money detector 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 inch in diameter, this double-coated optical glass lens provides a clear image and good light transmission. The 30X lens is perfect for miniatures, jewelry or professional inspection. Strong and durable: Made of strong zinc alloy with black paint. There are two precise scales: 1/16 inch and 0.5 mm on the base. You can quickly measure the size of the object. This microscope magnifier is quite durable and not easy to be damaged. Hands-free and easy to use: The focal length of this table magnifier is fixed and does not need to be adjusted. Simply place the magnifying glass anywhere on the table and place the object in the middle of the scale. White lights and UV lamps are easily activated / deactivated with a single button.