The carson hf-66 is a lightweight necklace loupe (or embroidery magnifier) with a 2x magnification, a large 130mm lens and built-in led lighting. it is a handy tool for any activity where you want to keep both hands free. you can use the loupe hands-free using the neck cord. with the help of the large lens, you can thus magnify a large area. In order to additionally illuminate objects, the magnifier is equipped with led lighting. this means that you can also use the wrap-around magnifier in situations where there is less light present. the lighting is powered by three aa batteries (not included). The neck cord is freely adjustable, so you can place it in the desired position yourself. on the two legs, there are two rubber 'pads', which allow you to comfortably place the magnifier against you. a necklace loupe is also known as an embroidery magnifier a hands-free magnifier. Application carson necklace loupe hf-66 with led This loupe is a handy tool to use while reading, crafting, knitting, embroidering, or any other activity that requires both of your hands. how does it work? Simply hang the loupe with carrying cord around your neck and adjust the cord to a comfortable angle and viewing distance. use the slider on the housing to turn the light on and off. now you can use the magnifier for hours at a time while keeping your hands free all the time.