I purchased mine in one of the vendor’s stands outside the Fort Bliss Freedom’s Crossing, El Paso, TX. Due to the intensity of my military work done in my previous two decades “, I had develop a serious chronic pain in one of my legs. For many years, I bounced from one physician into another while they tried many different tests, consults, specialized visits to ortho, physical therapy, vascular, and/ or neuro. In fact, one of the head military ortho doctors told me in front of my wife that “if it hurts, don’t do it.” Since then, I completely stopped doing physical activities, walking with a brace, and limiting myself from a lot of everyday chores; which let me to gain more than 30 pounds in less than a year.Since the day that I purchased this machine, I’m happy to say that the electric pulses are working into muscles that minimize the pain very fast. I am now getting back to my regular exercise routine and I’m able to walk 2 miles per day again.I have been able to use the StimRX for toning my stomach and arms after they became flabby.For the price that I paid, I’m am happy to say that this Little Powerhouse is helping me a lot.