Optical glass lens,2 different multi-lenses can be replaced at will, impact resistant, not brittle. 2/5x high definition zoom, the image is clear and bright. Portable magnifying glass, making diy, repairing mobile phone,acrylic frame protects the lens and is durable. 8 led lights that require Ac or 3 aaa batteries. Suitable for viewing books, newspapers, magazines, maps, electronics, thumbnails, jewelry, pill bottles and crafts details.