After trying many different brands, this seemed to be the best
to guide, quitest and has 24/7/365 help line that is a human person. I have not had to use them but everyone says the
are great with any problems. Also you do not have to purchase the manual with Innova (it comes with the machine) and last but not least it was the least expensive with more features. I am sure there were more reasons but can not think of any right now. Connie in KS. Innova 26