The 12 Super Bright LED Shadowless Light Magnifier has a 3.25 inch ground and polished glass lens magnifier with 3x magnification. 12 super bright LED lights circle the lens to provide the necessary illumination for reading or examination. The right light can be as important as magnification! Uses 2 AA batteries (not included). 4.24 inch diameter head, 9.25 inches long, .875 inches thick. Black.