10X 15X 20X MAGNIFICATION - You can choose the magnification you want and see different magnification effects. 3 different magnifications can be switched quickly. This coin magnifier meets daily observations very well, such as checking gemstones, watches, coins, stamps, antiques, and so on. 4 LED + 4 UV LIGHTS - The handheld magnifier includes 4 white LED lights and 4 UV lights. The bright LED lights are suitable for use in the dark or for seeing details clearly, the 4 UV lights can check currency or see colorful items, like circuit boards, stamps. Just press the button on the handle and you can turn on the 4 white lights, press a second time to turn on the 4 UV lights. Press a third time to turn off the lights.ACRYLIC OPTIC LENS - The unique square acrylic optic lens has a large lens (1.77 x 2.05 inches), very fast and convenient for eye examination. The magnifier provides a clear image and good light transmission. There are two scale rulers (0.5mm, 1/16 inch) on the base, you can measure the object clearly.HIGH-QUALITY MATERIAL - The jewelry magnifier is made of high-quality ABS plastic, which is durable and not easy to damage. It is very lightweight (weighs 4.71 ounces) and small (3.74 x 3.439 x 1.77 inches), so you can use it in your hand or in packages.WIDE APPLICATION - It is a professional adjustable magnification, very suitable for printing, crafts, embroidery, coins, jewelry, stamps, etc.