LARGE LENS AND MULTIPLE USE: The 5.5inch large and wide magnifying lens specifically mimics the way we naturally view things. The surface durable and scratch resistant, ideal for examining fine prints in reading newspapers, documents, maps, coins, stamps, electronic parts, jewelry, photos, and crafts, needlework, plants and other close work. HIGH POWER MAGNIFICATION: This magnifying glass provide 10X magnification, also built in is a 1-inch inlet for 20x magnification and a 1-inch inlet built into the handle for 45x magnification (Note: The magnifying glass is a convex lens, its image carbe upright or inverted, the 45X lens is an upright image within the object distance 3cm / 1.2in, and the object distance > 3cm / 1.2in will cause the font to rotate 180). EXCELLENT BRIGHTNESS OF LIGHTS: The built-in 3 LED lights offers extra illuminance when reading in dark space, which is perfect for low vison or macular degeneration people. Health led lighting can allow people reading in dark for long time with comfortable. And has UV Light for Counterfeit Identification of Paper Currency, Passports, Paintings, Geology Study. EASY TO USE: Easy to operate with a simple ON / OFF button switch, 3 AAA batteries (not included), long-lasting power supply, avoid the trouble of frequent battery replacement. It can also be used as an emergency light source in case of emergency, making it perfect for the elderly or those requiring an intuitive magnification system.