Path Pharm PPG-104T TENS EMS Pain Therapy MachinePath Pharm TENS EMS Pain Therapy Machine DEAL WITH PAIN & DISCOMFORT: our TENS machines deliver mild electrical impulses through the skin to stimulate your nerves and help you deal with temporary pain relief from sore and aching muscles in your shoulder, waist, back, or upper and lower extremities. LARGE LCD SCREEN TO MONITOR YOUR METRICS: every Path Pharm TENS machine features an ultra practical LCD screen large enough to easily monitor all the data