3x 10x Magnification Advanced optical glass lens with two different magnifications: 3X 10X, to meet different requirements of different occasions. Reduce eye strain 38 super bright LED lights to prevent eye strain. White light color, no flicker or anti-glare, no flash or radiation. The top shutter design helps protect the lens from dust and damage. Flexible position Amplifier lamp, flexible metal gooseneck, 360 degree rotatable. You can place the light where you need it most. The length of the gooseneck is approximately 36 cm. USB powered Equipped with 1.2m USB cable power adapter, just plug the LED light into the power cord / wall adapter / computer. Ideal for unlimited use. Scope for reading, printing, machinery, sculpture, gardening, electronics, etc. cut Lens Diameter: 100mm, (3.93inch) The length of the snug tube 360mm, (14.17inch) Black color Power supply with USB cable of 1.2 m. Base diameter: 175mm, (6.99inch) .