The HR-20 on June 11, 2013 Amazon gekauft.Nach about 15 months total failure (E3). Sent for ensuring at Novar GmbH Lüdenscheid on 28.0.2014.Bis today, 08/12/2014, despite mehrmailger tel. Consolations no return. Since one can not speak of Service. So can no longer recommend this device the reasons mentioned above. So do not touch !!