Annie, he builds and sells these units as they have made some changes and he says what he makes are the most powerful units on the market and he sells them for approx. $3,000+ so I can't really tell you about his equipment and next week I hope to see him and find out the frequency's that was used for me and post them I had no side effects as I drank a gallon of water and you don't even know that you had a treatment except that you feel better each time.
that's all for now folks
God Bless
Bill