Firm and Adjustable- With the frame design stand, the magnifier was firm enough to stay on the desk. With sturdy ABS frame, you can place the magnifier on your workbench to free your hands and let you concentrate on your work. Large Acrylic Glass Lens- Made in 5 inch, 2.5 X (main lens) and 1 inch 5X (small lens) is the best choice of magnifier in the market. Notice: The magnifying glass is made of acrylic, not glass, not easy to break, harmless to anyone. Multi-function- Two premium super bright LEDs provide enough brightness for you to see all the details much more clearly, while preserving the view. The bottom base is printed with a tracing scale, which brings much convenience for actual size measurement. Design- The ingeniously designed frame stand allows the magnifying glass to stay firmly on the table top, while three folding joints guarantee free change of angles, height and position of the magnifying lens. A great gift- Perfect reading aid in low vision for books, menus, etc. Great all-purpose magnifying glass for needlework, inspection, crafts, hobbies and tasks. Each magnifier consists of 2 LED lights, powered by 3 AAA batteries (batteries not included).