Product size: 240 x 108 x 22 mm 1,Hand held glass magnifier with 3.3 inch loupe magnification and 0.78 inch 5X magnification lens, provides clear view without distortion. 2, optical lens: clear magnifier without distortion. With its hard and scratch-resistant property, this premium glass lens produces an excellent quality image without distortion. 3 2-level LEDs: Built-in 2-level LEDs provide good lighting. 1 level switch lights 6 LEDs, 2 level switch lights 12 LEDs. You can see objects clearly in the dark or in low light conditions. 4,Comfortable detachable handle: Ergonomic aluminum alloy construction ensures good balance and comfortable grip, doesn't feel too heavy or too light. Detachable design, easy to carry and store. 5, Multi-Function: This magnifying glass is ideal for viewing details of books, newspapers, magazines, maps, electronics, miniatures, jewelry, pill bottles, hobbies and crafts. Suitable for seniorsAmateurs and professionals.