[Adjustable length]-Place the magnifying glass on any object to be viewed. Then rotate the upper part of the magnifying glass can clearly see the item. You can move it as needed. The scaled cardinality can also be used to measure item size. [Solid Body Material] - Made of solid zinc alloy material with black paint .It's quite durable and not easy to damage. This 30x magnifier has a of 1.1 in diameter,and 3 white light 3 purple UV light.This little magnifier will be a good helper at work. [Wide Application] -It is very small and light.You can put it in your bag when you go to the suburbs or the memorial. It's a professional work magnifier,great for printing, handcrafts, watch repairs, reading coins, jewellery, stamps,small insects,etc. [Easy to Turn On/Off] - Just Press down the soft silicone button to turn on the 3 white lights for usual magnified observation, press again to 3 UV lights for money detector magnifier. Press the third time to turn off the light. The magnifier has a mini size(2.4 x 2.2 x 2.0 inches), also quite convenient to carry at hand and store anywhere. Style:Handheld Gain:30X Usage:Reading /Repair Tool colour:Black+silver Material:ABS+Aluminum Glass Lens size:6.1x5.6x5cm Package Contents: 1 x Magnifying Glass 1 x 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 a little different from the real thing. The measurement allowed error is +/- 1-3cm.