Features A 100x Magnification Effect: The 100x zoom microscope magnifier to magnify an object to 100 times its original size. Lets you dive into the leaves, freckles and insects on your jewelry. Adjustable Focal Length: The focal length of the micro-fiber magnifying glass can be adjusted by itself to observe objects more clearly and facilitate daily use. Improve work efficiency. Lighting Effects: Not only can this microscope pen zoom in, the lights of the magnifying glass provide enough light to illuminate the item you want to check in low light conditions. Portable Design: Small bag storage, very safe in artificial leather pouch, not easy to damage. Portable handheld magnifier suitable for home, office, laboratory or jewelry store. Wide Range of Use: Industrial use, circuit boards and printing, industry, medicine, gardening, coins, stamps, jewelry, assessment, education, geography, home and office. Specification: Product multiplier:100X Battery model :3 x LR927 button batteries (Not Included) Light source: 2 LED lights Weight: Approx.46g/1.6oz Package list: 1 x Mini 100x microscope (Batteries are not included) 1 x Pouch Package List