TWO-SIDED MAGNIFICATION & WALL-MOUNT: Wall Mount Installation and Electric Plug Powered. Touch to turn on/off. One side is regular mirror and the other is 3X magnification mirror. The regular side is perfect for daily uses, cosmetics, and every beauty need. The 3X magnification side uses for wearing contact lenses, eyebrow trimming, makeup, and shaving. Please use 3x magnification within 4 inch to get true image.