TENS electrotherapy uses electrical nerve stimulating pulses to provide non-invasive, drug-free pain relief. It's wireless, with a remote control & a 20 minute timer. Millions of people worldwide suffer from chronic back pain. One of the most important treatment methods is the TENS (Transcutaneous Electrical Nerve Stimulation) electrotherapy, which uses small electrical nerve-stimulating pulses to provide non-invasive drug-free pain relief. Therapeutic Goods Administration (TGA) approved, this TENS pain relief massager is designed without the cumbersome battery packs and wired electrodes typical of traditional devices of this kind. This innovative wireless massager integrates all necessary elements in a compact and aesthetically appealing housing. It is intuitively operated; via 360 degree remote control, it is pleasant to the touch and highly flexible in use. A complex dual overmoulded body assembly ensures that the highly flexible electrode wings comfortably hug the body's contours. Thus, this massager is easy to transport and can be worn discretely underneath the clothes for long periods. Moreover, it provides a new treatment qualities for individual pain relief and a high degree of mobility with a combination of low-energy wireless chips and an intelligent software design. This massager is energy efficient enough to run over 150 treatments on a single set of batteries. It also provides a higher intensity output than typical portable TENS devices available today and 2.5 times larger treatment area coverage. This massager has several beneficial functions and features including: effective in helping to manage particular pain problems, use to assist treatment of headache, toothache, back pain, tennis elbow, sport strains and muscle injuries, relieving soreness in the applied area, and helps to strengthen and tone muscles. This product comes with a 12 month warranty. WARNING : The constant pulsing of electrical stimulation from this machine can cause pain and muscle twitching. Use of this massager without proper medical advice may be harmful to your health or even deadly. This machine is NOT designed for use for individuals who have a life support equipment such as an artificial heart-lung devices and respirators, pacemaker, heart condition or epilepsy, and is pregnant. If still unsure, please consult with your doctor, physiotherapist, health care provider or other medical professionals before purchase. Examples of incorrect use include, but are not limited to: (1) electrodes should never be placed near the heart, across your eyes, on your head, on the front of your neck, on your chest, on open wounds or broken skin areas, over a malignant tumour, directly over the spinal column, internally, across a pregnant uterus, on areas of skin that are numb or have decreased sensation, on areas of infection, (2) sustained usage at high intensity - may cause minor burns, and (3) avoid touching the massage pads directly with fingers when power is on.