The magnifying glass is made of high quality ABS plastic and acrylic optical lens, with smooth surface, strong and durable The magnification of the magnifying glass is 30X, diameter 21 mm, The magnification 60X, diameter 12 mm, enlarge the details to better inspect fine parts, widely applicable to jewelry identification, micro engraving, watch and electronic repair and The magnifying glass with bright LED lights allows you to clearly observe objects in the dark or low light, and the UV lamp can detect the authenticity of banknotes, passports, checks, etc. The magnifying glass can store the lens to protect it from scratches, the folded size is 6.2 * 4 * 2.2cm, small and light, easy to carry and store, ideal for field work The magnifying glass can help the elderly and visually impaired people read books and newspapers, stimulate children's curiosity and encourage them to explore and observe the mini world of insects and plants