Reliable Material: These LED pocket magnifiers adopted optical-grade scratch-resistant acrylic lens, and the magnifier and LED lens are protected by reliable and sturdy ABS plastic frame, easy to hold, smooth finish neat design that can serve you for a long time Thoughtful Design: These magnifier cards are pre-installed batteries and provide 3X 6X distortion-free clear magnification; These magnifiers are equipped with low-power bright light, which is not limited by ambient light and can be applied in various lighting conditions Convenient to carry: these small mini magnifier cards are designed in credit card shape, compact and lightweight, easy to put in your wallets, pockets of shirts and pants, etc., allowing you to take them out anytime or anywhere Wide range of applications: these credit card magnifiers with light are suitable for reading, books, newspapers, contracts, magazine jewelry, experiment, survey, painting appreciation, appreciation of antiques