Rapid Relief Electronic Pain Relief pads stop the pain, not your life. Drug-free and chemical-free, it’s the strongest pain relief for your back available without a prescription. The difference is TENS-Transcutaneous Electrical Nerve Stimulation-the same treatment pain specialists and physical therapists use in their clinics. The discreet, odor-free, non-toxic device is designed for home or work. Just attach it under your clothing to the site of the pain, choose one of 15 intensity levels, and allow the targeted impulses to block nerve pathways from transmitting pain signals to the body’s pain center. It’s maximum strength at a maximum value.