OMRON E3 TENS Machine Intense Electrical Pain Reliever Pocket Sized Drug-free pain relief E3 Intense is pain reliever for back, shoulders, joints and muscles. TENS (Transcutaneous Electrical Nerve Stimulation) is a clinically proven technology widely used by physiotherapists and pain specialists. OMRON pain relievers enable you to relieve your pain symptoms. The electrical pulses, which are comparable to the natural bioelectricity (body electricity), stimulate the body's pain relieving mechanism. The E3 is convenient and features a compact design for use at home, work or travelling by plane and train. Customize your treatment. Choose pre-programmed zones: back, shoulders, joints, arms, legs, sole or feet and adjust the intensity level which suits you the best. Product Features Ergonomic design and light weight Belt clip Comfortable washable electrode plates for extended use Timer (automatic shutdown after 15 minutes) Rapid impact 9 stimulation programs 6 areas of impact Adjustable intensity 15 Intensity Modes Model OM-E3