The item is a portable and practical pull-type magnifier magnifying glass loupe, which is mainly made of durable hard ABS plastic and optical glass lens and features 30X magnification, and great for close inspection of items like jewelry, , stamps, circuit boards, , collectors, hobbyists and collectors of styles. With a pull-type light source , you can pull out lens to turn the LED light on, and push it inside to turn LED light off. With pocket design and easy to use, it is really a wonderful LED lighted magnifier for choice. Features - Color: mainly black. - Material: durable hard ABS plastic and optical glass lens. - Fold size: about 54x35x24 mm; Unfold size: about 82x35x24mm. - Magnification: 30X. Lens diameter: 21mm. - and LED Lighted Pull-type Jewelry Magnifier Magnifying Glass Loupe Lens. - Great item for the watch making industry, specially for inspecting those tiny objects. - for close inspection of the items such as jewelry, , stamps, antiques, etc. - Pull-type LED light source with 2 positions: 1. Pull out to first step position, light source will not be opened; 2. If sunlight is insufficient, it is advisable to pull it out to position, the light will be opened automatically at this time. - The LED lighted magnifier can be used in insufficient sunlight or under dark environment. - Foldable and compact size, great to have it in your pocket all the time. - Power by 3 * LR1130 button cell batteries (included). Package list: 1 * Portable 30X21mm Foldable LED Lighted Pull-type Jewelry Magnifier Magnifying Glass Loupe Lens (Black) 3 * LR1130 Button Batteries