[30x Magnification] - 30x magnification optical glass lens meets daily observations of general items very well. It has a 108-inch diameter lens, very quick and convenient for soon eye examination. The unique double-layer lens provides clear imaging and good light transmission. [3 LED + UV Lights] - The magnifying glass includes 3 white LED lights and 3 UV lights. The LED lights are suitable for use in the dark or for seeing details clearly, the 3 UV lights can check currency or see colorful items, like circuit boards, stamps. Just press the red button on the side and you can turn on the 3 white lights, press a second time to turn on the 3 UV lights. Press a third time to turn off the light. [Adjustable Height] - The magnification is fixed, but we can still adjust the focus to see the three-dimensional objects more clearly, like circuit boards, jewelry, and so on. You can adjust the length until the protruding part is clearly visible, and observe the unevenness of different objects. The scale at the bottom is detachable, so you can also remove it for better and soon observation. [Compact and Lightweight Body] - It is so light (weighs 25 ounces) and small (2 x 18 x 18 inches), so you can use it in your hand or put it in your pocket. It also comes with a solid PU leather case for better storage. [Wide Application] - It is an adjustable optical glass magnifier, very suitable for printing, crafts, embroidery, coins, jewelry, stamps, magnifying small insects, etc. Color: Black Material: Plastic + Metal Size: 47x47x51mm Package Contents: 1 x 30X Magnifying Glass 1 x PU Leather Case Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture to be slightly different from the real thing. The allowed measurement error is +/- 1-3cm.