Tens stands for transcutaneous through the skin electrical nerve stimulation and is now regularly recommended by doctors, physiotherapists and pharmacists throughout the uk. The back pain reliever works by passing harmless electrical signals into the lower back from its pads controlled by the user at all times. This relieves pain in two ways p p bull it blocks the bodys pain signals. These are normally transmitted from the area of damage through the nerve fibres to the brain tens interrupts these pain signals. Br bull tens stimulates the bodys production of endorphins its own natural painkillers. P p the lumbar belt simply wraps around the users waist and is secured by hook and loop fasteners. Will adjust to fit most sizes. P p please read the enclosed user manual carefully before use. P p features p p bull suitable for use alongside pain medication br bull 6 programs specifically designed to target lower back pains br bull lower back pain br bull sciatica br bull sports strains and sprains p p pack contents p p bull back pain reliever br bull lumbar belt br bull output cable br bull user manual br bull requires 3 x aaa batteries not included p p warning p p not suitable for use during pregnancy or labour or if you suspect you may be pregnant. P p not suitable for people with pacemakers or other implanted medical devices, or for people with heart rhythm problems. P p not suitable for children under 18 years old. P p keep out of reach of children. P p please refer to the user manual for additional warnings and cautions. P p model number lbpr1 p p p