About this product: 【Large Size, High Magnification】: This magnifying glass features a large 5.3-inch (approximately 1.6 meters) wide-angle main lens, providing a wide field of view. Its durable, scratch-resistant surface makes it ideal for reading documents, newspapers, maps, coins, jewelry, electronic components, crafts, plants, and other items requiring close observation, allowing you to see more clearly and with a significant magnification effect. 【Magnification】This magnifying glass offers 10x magnification. Additionally, it has a built-in 1-inch extra light inlet, allowing for 20x magnification (Note: This magnifying glass uses a convex lens; the image can be upright or inverted. At 20x magnification, the image is upright when the object distance is ≤ 3 cm/1.2 inches; beyond this distance, the image will rotate 180°), meeting the needs of different users and scenarios. 【Built-in LED Light】: The built-in 4 ultra-bright, energy-efficient LED lights provide additional illumination for use at night or in dimly lit reading environments, making it ideal for those with visual impairments or macular degeneration. The healthy LED light will not harm your eyes, ensuring comfortable reading for extended periods. 【Easy to Use】: One-button switch for simple operation; uses 4 AAA batteries (not included) for longer power and brighter light, avoiding the hassle of frequent battery changes; can also be used as an emergency light source even in low-light conditions. 【Practical Functions】: This large magnifying glass with a light is very convenient to use, suitable for elderly readers; children who love to explore and discover new things will also love it; this high-definition magnifying glass is also suitable for reading books. It's an ideal everyday tool for maps, magazines, and small print on medicine bottles.