【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 flap design helps protect the lens from dust and damage.【flexible stance】 Amplifying lamp, metal flexible gooseneck, 360 degree rotatable. You can place the light where you need it most. The gooseneck length is about 36cm.【USB powered】 Equipped with 1.2m USB cable power adapter, just plug the LED light into power cord/wall adapter/computer. Ideal for unlimited use.【Scope】for reading, printing, machinery, carving, gardening, electronics, etc. size Lens diameter: 100mm,(3.93inch) The length of the cozy tube 360mm,(14.17inch) Color: black 1.2m USB cable power supply. Base diameter: 175mm,(6.89inch)