The system is good and can be installed incredibly easy. However, you should bring a little time and certain things, such as setting the read offset temperatures in relevant forums. The accompanying descriptions are a bit poor here. Nevertheless, value for money is not have to be. Similar systems such. B. of RWE SmartHome or others are much more expensive. Criticism concerns the only app for Android. There indeed an alternative that is much better, but would be nice just to be able to do everything on your tablet. Currently you can make the programming of the weekly program only from a Windows PC or a Mac.