Using the clip on the headgear, you can set up two lenses at once to easily flip or switch from one magnification to another. It comes with a detachable front light that illuminates the image, making it convenient for you to use it during the day or at night. After the light source box is disassembled, it can be used as a lighting source alone. headphone magnifier for close work such as electricians, jewelers, sewing, crafts, beauty, painting and the elderly. for family camping, hiking, and any other outdoor activities.