The 5 different interchangeable magnifiers with different magnifications (from 1x 1.5x 2x 2.5x and 3.5x) will be very practical to always have the right magnification, which allows you to find the best suited to precision work, the lens that can tilt at will allows optimal orientation to adapt to your needs, in addition, the 180 adjustable lens, and the set with the and the 90 adjustable lens ATTENTION: the comfort distance is between 25 and 30 cm from the eyes, and the visual field represents at this distance approximately 2 cm high by 6 cm wide, which is more comfortable, in fact it is because the weight of the lens and the frame, led and other element, these glasses are certainly not very suitable to read for the long time, but are very suitable for short-term work MORE COMPLETE DESIGN: The magnifying glasses themselves same are plastic, it is an advantage for the weight therefore they are light; moreover, 5pcs l lenses are delivered in a rigid storage box, its great to find them dust-free when changing them and which allows them to be stored while protecting them from scratches, there is also lighting by two lamps led, the headband LED EQUIPMENT LAMP AND HEADBAND: the LED lamp is only used to illuminate your work area, necessarily reduced, the lighting by two powerful led lamps gives a clear light to illuminate the part where you want to work, and then it is also sold with a headband for those who wish to keep their glasses on while working, or when there is a risk of losing their magnifying glasses during work EVERYDAY MULTIPURPOSE: magnifying glass is in electronics and model making, the various magnifying glasses that make the writings be zoomed in can find the best suitable for precision work, sewing, repairing electronic devices, model makers, watches or precision DIY, the reading ect Sold by Briday store Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-YJL official store