The StimOnTM Pain Relief System (GM2439) is a Transcutaneous Electrical Nerve Stimulation (TENS) product that generates Pulsed Radiofrequency (PRF) stimulation for the symptomatic relief of chronic intractable pain, and as an adjunct treatment in the management of postsurgical or post traumatic pain. The StimOnTM Pain Relief System with electrode pads is easy to attach to the treatment area, and is suitable for home and portable use. Begin treatment at the press of a button without the need to set stimulation parameters. Once stimulation begins, the electrical stimulation frequency is much higher than the nerve action potential. This product also provides a storage case to protect the product from staining. This product is intended for use by one person, and should always be used in accordance with the important safety information and operating instructions included in this user manual. Do not use for any purpose other than indicated by the manufacturer.