NEW DR. HO’S Pain Therapy System 4-Pad TENS Device T.E.N.S Relief Massager w/Accessories. Also included are 2 Size B FlexTone Pads, 8 Size A FlexTone Pads and a Therapy & Support Band which works with all models of Dr. Ho’s Pain Therapy Device. DR-HO'S Pain Therapy System helps to relieve pain and increase local circulation. It is a professional T.E.N.S device used by Chiropractors and Physiotherapists. It was developed by Dr. Michael Ho, a Chiropractor and Acupuncturist, at his Pain and Headache Clinic in Toronto, Canada, for his patients. This device provides temporary relief for upper and lower back pain, arm and shoulder pain, leg and thigh pain, muscle aches, and soreness related to sports, work, and household duties. The Basic package includes: A Pain Therapy System, 2 Large Replacement Pads, Travel Foot Therapy Pads, Travel Bag, Pad Placement Chart, and an Instructional DVD