[PRECISION MEASURING INSTRUMENT]For Jewelry Authentication. Good for Gems, Jewelry, , , Coins, Watches, Hobbies, Antiques, Models, Photos Industry, House living, and Office. Jeweler's loop makes it possible to distinguish and see objects clearly. [2 LENS MAGNIFIERS]Primary lens: 30x22mm, Supplementary lens: 60x12mm. The light switches sides for whichever lens you to use. The lens should be really to the object to see the details clearly. If the lens is from the object being viewed, it will be blurred or an inverted . [BRIGHT LED AND UV LIGHT]You can see objects clearly in dark or insufficient light conditions with this dual LED . [PORTABLE DESIGN] It is convenient to carry and you can use it anywhere. It requires 3 LR1130 batteries. [SIMPLE & PRACTICAL DESIGN] and beautiful, which can be put into the wallet, shirt, and pants pocket, flip-open pocket magnifier with a built-in folding case that can the lens from dust and damage. Color: black Material: metal Package Contents: 1 x Jewelers Loupe Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.