5X & 8-Diopter Magnifying Glass LensThe magnifying glass with light comes with an 5X 4.3" diameter glass lens, suitable for close work. The magnifying lamp magnifies tiny things without optical distortion, such as dense small words, complex circuit board, intensive needlework and so on. Thanks to the 8-diopter real glass lens, you won't feel uncomfortable even if you look through the lens for a long time, which is very helpful for the eyes of the seniors. 3 Color Modes & 10 Brightness Levels 15W, 1500 lumens and 72 pcs 2835 premium LEDs endow the lighted magnifying glass with 3 color modes (warm, warm white, cool white) as well as 10 stepless dimmable brightness levels from 10% to 100%. Just adjust the switch to pick your prefered lighting mode for your professional tasks, it can meet your different needs in different environment. Strong Metal Clamp & Widely UsedThe magnifying glass with light has 3 knobs, 4 springs and a black metal clamp which can keep the stability of the swing arm and help you fix the glass lens where you need it. The clamp will never be broken due to the strong hardness of aviation aluminum material. The arm is 14.5" each, much longer than the arm of other lamps. Magnifier with light is a perfect choice for reading, sewing, repairing, carving, manicure, crafts, beading, needlework and so on. Memory Function & Eye ProtectionMagnifying glass with light has memory function, which distinguises us form other brands. When you turn it back on, the lamp remembers your last setting mode, so you don't bother to set again. The ring light design adopts the most advanced luminous technology, glows without shadow or flickering and blocks out 99.98% blue light which is harmful to human eyes. The uniform light also prevents eyes fatigue and hurting. A healthy choice for your loved ones. USB Powered & 12-Month ServiceThe magnifying glasses with light have a USB port and you can power up the lamp through laptop, desktop, power bank, 5V/2A adapter (included), etc. We offer 12-month customer service. For any reason you are not satisfied, please contact us seller and we will offer you a satisfying solution.