With the Inter Techno System (in particular the programmable remote controls) can be inexpensive as some automate the house. After 8 years me a blinds switch is now unfortunately become broken (but scarce 30 E I find quite manageable and annoys me now not take long). Advantages: inexpensive, can be retrofitted, expandable, should find a place in any flush-mounted socket. Well: 99% reliability during the switching operations, it can happen that a blind is not to ... Still highly recommended there!
Tip for exchanger - against my old switch has the on / turned from assignment of control, so check in advance just before the switch in the box disappears
