Funtioniert properly ...

... And does what he should.
I have connected two input and two output devices.
Both sources can be easily switch on both output devices, thereby operate all Umschaltmöglicheiten offered - even FullHD and 3D.
However, only with current, in a review it was noted that the distribution will work without power cable, I can not understand here, unfortunately, it must be already switched on; is in operation but not warm or even hot, at least some heat buildup I would have expected, but I realized that thing stays cool :)

All in all a highly recommended HDMI distribution.