30X Magnifier with LED Lighting and Radiation with Adjustable Focal Length Folding for Jewelry Textile Coin Stamps Board Gems (Black) The glass lens with a magnification of 30X is suitable for everyday observation of general objects. It has a large lens with a diameter of 1,08 inches, fast and convenient. The distinctive double layer lens ensures a clear image and good light transmission. magnifier housing is made of ABS material, durable and durable, lens is made of glass, clear magnification effect, long service life; surface is refined, generally comfortable and natural 3 LED LEDs and 3 UV lights: this magnifier with 3 LED LEDs and 3 UV lights. The LED lights are suitable for use in the dark or for clear vision of details. UV lights can check objects or see colored objects. Simply press the red button on the side to turn on the 3 white lights. Press the second time to turn on 3 UV lights. Press the third time to turn off the light. The adjustable focal length of the magnifier is fixed, but you can still adjust the focus to see three-dimensional objects more clearly; you can adjust the focal length until the protruding part is clearly visible. On the base there are 2 sizes (0,5 mm, 1/16 inch) for measuring objects. The lower part of the scale is removable, so it can be removed for better and faster observation. The set comes with 1 magnifying glass, which you can use to view gemstones, jewelry, coins, stamps, watches, hobbies, models, and observe other items.