WHAT IS THE PAIN RELIEF PATCH? The Pain Relief Pad is an innovative one piece self-adhesive electric pain reliever. Incorporating TENS application and technology to target specific pain. Elegantly built by medical grade silicone, ultra-thin, flexible uni-body construction which perfectly matches the contour of contacting surfaces. Advanced circuitry conserves energy by providing 20 minutes per treatment, up to 20 sessions per battery life. WHAT IS TENS? TENS -transcutaneous electrical nerve stimulation - stimulates nerves through the skin. It is recognised as a clinically proven, effective, non-medication method of treating pain from certain causes. It manages pain by stopping the pain gate to prevent pain signals transmitting to brain, and help to release endorphins to sooth by stimulating nerves. It is also free from side-effects when used properly, and can also be used as a simple means of self-treatment. The method is scientifically underpinned and medically approved. APPLICATIONS: Back pain, Joint pain (e.g. knee joint, hip joint, shoulder), Neuralgia, Headache, Menstrual Pain, Pain after injuries to musculoskeletal system, Pain with circulatory problems, Chronic pain through various causes.