Product DescriptionMaterial: ABS+Glass+AcrylicSize: 190 * 83 * 20 mmDiameter: 75mm (large lens); 22mm (small lens)Magnification: 3 times (large lens), 45 times (small lens)Battery: 3 AAA batteriesColor: black + white, all black, all whiteQuantity: 1 piecePackage content: 1 piece * reading magnifying glass (without battery)1. Dual lens magnifying glass design: The break-proof, high-resolution crystal lens has a 3-fold and 45-fold magnification. The material of the 3x magnification is glass and the material of the 45x magnification is acrylic, both of which create a distortion-free field of vision. Small enough for travel and large enough for easy reading.2. Very bright & energy efficient LED lights: The 3 very bright, energy efficient LEDs improve the image quality significantly, even in poor light conditions, and are therefore perfect for reading daytime and night. [Powered by AAA batteries, no battery]3. Easy to use design: The anti-slip handle is made of environmentally friendly ABS plastic and has a good grip feeling. The switch is located exactly where the thumb is and makes it easy to turn the LED lights on and off.4. Wide scope: The 3x magnifying glass is specially and developed for seniors, professionals, students, people with poor eyesight and macular degeneration. 45x magnifying glass is ideal for examining extremely small texts, images and objects.5. With a free lens cloth & drawstring bag: We offer an additional lens cloth and a drawstring bag, lenses and loupe holders can be easily rubbed and can be used immediately, saving you valuable time.