Have 3 pieces ordered, which is also delivered fast wurden.Anleitung Top.On / Off / Auto from the Font size bit small, but still lesbar.Zwei devices look for the charge (ca.10stunden) all data stored in removing from the power supply for hours .In the third switch of the battery made limp after just 30 minutes, so a re-entry required war.Gut evtl.ist the battery but not OK Bothers me remains nicht.Diese clock always on the power and when it comes time before a 30 minute power outage recommended haben.Alles in one.