ILLUMINATED MAGNIFYING GLASS: This LED jeweler's loupe is 4.6cm wide, 8.3cm long when folded, and 13.3cm when unfolded. It consists of 3 different sizes: the 30X lens has a diameter of 25mm, the 60X has a diameter of 12mm, and the 90X has a diameter of 8mm. PRACTICAL DESIGN: This jeweler's loupe is made of high-quality durable plastic and has 3 anti-scratch acrylic lenses. This professional jeweler's loupe has been ergonomically designed to be portable and lightweight and easily fit in your bag or pocket. This pocket magnifier allows you to magnify texts and inspect defects when needed. Its compact size allows you to magnify your view when traveling or on the go. EASY TO USE: The 30x 60X 90X cordless battery-powered magnifying glass is equipped with 3 different light modes - a powerful LED light with two intensity settings, giving you powerful illumination and a UV backlight. The LED lights are ideal for dark or dimly lit areas. This folding magnifying glass has also been designed to save battery life by allowing you to slide the protective cover to turn the light on or off. (Button cell not included) WIDESPREAD USE: This reading magnifying glass is perfect for seniors and can also be used for student research, jewelry identification, gardening, sewing, or reading. Use this reading magnifying glass for low vision to read very small text, inspect the details of coins, passports, stamps, or read the menu at a restaurant in low light. The appearance of the lens guarantees a sharper image, without distortion.