That one with standard small switches any major services (as they are for example drawn from heating) can permanently switch (switch "on fire" after a "few times" Switch off) is not available due to technical reasons and quasi normal. This can be in my opinion Brennenstuhl not really negative count.
According to numerous reviews but, where it is said that LED lights etc light up even in the off-state light, I screwed the switch and looked at his inner life:
As expected Nothing is inside, except for the 1-pin switch. ;)
Because of the Parental Control: When someone wants to expand - which is in principle no problem - just look at my photos. ;)
On an image with the screwdriver, as I press the Parental Control at side, as if watching a plug be eigesteckt.