However, what I find quite remarkable is that the switching of all of me in MAX! System parts used (wall thermostats and heating thermostats) has the largest operation range. He could easily be controlled from the attic, even though he did his service in the basement, so by three concrete ceilings. A wall thermostat and a heating thermostat could be, however, no longer operates on this route. I suspect that it is designed a little more, since he is connected to the mains and is not powered by batteries like the other devices.