The only reason to buy the bean is the testomonial of various people. When you speak to Dale you see right away that he is a salesman and not to be trusted. Dale will tell you the ABPA machine they were touting before the bean is not very good at sending frequencies. However, if you look at Sutherland's website and talked to Dale before they got the bean, they touted the ABPA as the greatest thing in all regards. These guys are not to be trusted and you should only buy from them when you have testomonial from credible people regarding the efficacy of the device. Even at that, don't expect much in the way of support.