Monkeybrother 3X 8X Acrylic Optical Lens Handhold Magnifier Magnifying Glass with 12LED Lights Independent lighting design, 12 LEDs for the outer ring lens to ensure better lighting effect and let images even more clear and precise. LED lights are bright & have an on/off switch, so no need to hold a button to keep it on.(Not included 2 AA batteries) High quality zinc alloy metal frame for heavy duty work withstands rough environment and treatment.It is very comfortable to hold it. Polished acrylic lens magnifies 20x without distortion.It is very suitable to use for reading in bed at night. Really helpful for those with macular degeneration or low vision.And saves eyesight and reduces headaches caused by eye strain or squinting 2 different magnification lens, with a large dia 3.34inch (85mm) for a big viewing area.