Would you like a magnifying glass that you can adjust in size as needed? This is a single lens magnifying glass. The watchmaking industry can use it, particularly for the examination of jewels, coins, stamps, antiques, and other small items. It is highly practical that you can put it in your pocket because it is lightweight and compact. Features - Color: Silver -Material:Aluminum Alloy, ABS, Glass - Size: 6.00X5.50X5.00cm/2.36X2.16X1.97in -Note: 30X Focusing; Batteries are not included.(3 x Button Batteries) - Magnifying glass, multiple options, to meet your different magnification needs, according to your own needs to choose. - Light design, more clear observation, clear bright led light can make you more clear anytime and anywhere to observe, without restrictions. - Easy storage, no space, easy to carry around, does not take up too much space in your backpack, easy to use. - and beautiful, pleasing to the eye, the classic design looks very elegant, suitable for different occasions. - Ergonomic design, comfortable to use, so that you can easily see the jewelry to be observed, eyes effortless. Package list: 3 x Magnifier 3 x Storage Bag 3 x Instruction Book