The Health Master is a piece of junk and repairs or replacement service is very poor. Still waiting for four months for a replacement. Use the piece of junk two times before it broke.Montell William should look into this real piece of junk that he is making money on. Another piece of junk from China. I just recieve a post card (again) from TRISTAR stating i" if we do not hear from you within 30 days, my order will be canelled. You can return this card to stop the cancellation). Of course there's no telephone number provided so you can call and get customer service...Know Why? It's a piece of jusk they don't want to hear about. read full review »