Features: With a LED light it will be on as soon as you pull out the magnifier you can observe the object even in the dark situation. It looks like a black box but when you pull it out it s a magnifier to prevent the lens from being damage. Built-in battery you can use it as soon as you get it. Mini size you can put it in your pocket & carry it wherever your go portable. Suitable for jeweler appraisal observing animal and plant specimens electron industry and so on. Package Includes: 1x Jewelry Magnifier Specifications: Material: Plastic+Glass Size: 2.1x3cm/0.83x1.18in Magnification: 30X note: Please allow 1-3cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors the picture may not reflect the actual color of the item.