Material: Made of high quality material， ABS+PS， lightweight and easy to carry. A stand-alone magnifying glass that magnifies any object up to 3 times. Undeformable lens: 3x power magnifier， whether youre reading books， newspapers， maps， coins， stamps， small electronic products or small jewelry details， you can use our distortion-free professional lens with 10 times magnification. Precise observation. Built-in LED light - Illuminated by LED lights for better viewing of text and images， ideal for checking details. Powered by 4 AAA batteries (not included). Rotatable: 80 rotation， any reading position can be adjusted while fatigued. Versatile - Ideal for people who enjoy embroidery， knitting， sewing， crafts and other hobbies that require precision. It is also ideal for reading， especially for maps and catalogs or for the visually impaired.