Actually, I did not want to have him. But additionally installed banking program made the generator needed. The hotline Sparkasse referred me to one of its branches - nationwide - where the device should be held for sale. None "we are not a store" was the statement in four different branches. So purely in the Internet to Amazon and ordered. Far below the price that was given me at the Sparkasse and there is nachlesbar on the website. All units of "Pure" are reliable and functional.