QNL provides you with a more scientific way of health. The light pad is used on the shoulders waist legs and soles of your feet. You can lie on the pad and enjoy the benefits of red light or place the pad on any part of your body. We have undergone many tests to provide you with the best user experience QNL LED infrared red light therapy belt: There are a total of 250 lights including 125 630nm red lights and 125 850nm infrared lights. This belt penetrates the skin produces thermal effects promotes blood circulation improves cell vitality and regeneration ability.