The carson lc-15 is a universal necklace loupe with 2x magnification, a 110mm lens and built-in led lighting. it is great for any activity or hobby where you need both your hands. you can use the magnifier hands-free because of the carrying cord located on the body.  In addition to the 2x magnification, the magnifier also features a spot lens (4x) to magnify small parts even further. to illuminate objects, the loupe is equipped with led lighting, which is powered by two aa batteries (not included). for a high level of comfort, this cord is adjustable, so that you can place the magnifying glass in the desired position yourself. on both legs there are two rubber 'pads', with which you can comfortably put the magnifying glass against yourself.  the necklace magnifier is also known as an embroidery magnifier. Usage carson lc-15 necklace loupe with led The envelope magnifier is a popular accessory to use when reading, crafting, knitting and embroidery. how does it work? Simply hang the magnifier with carrying cord around your neck and set the cord at a comfortable angle and viewing distance. finally, install two aa batteries in the battery compartment. now you can use the magnifying glass for hours at a time, while keeping your hands free at all times.