Details Automatic heating Your rooms can be heated according to an individual schedule, so you'll always return to a warm home and can forget about turning the radiator on or off. Through automatic switching you'll consume less energy, which saves up to 10 percent of heating costs. You can also adjust the room temperature manually using the button. Turn the switch from anywhere With the FRITZ!Fon...
> https://en.avm.de/products/smart-home/fritzdect-301/details/
Details Automated heating Heat your rooms according to an individual schedule, so you'll always return to a warm home and can forget about turning the radiator on or off. Automating your heating routine means you'll consume less energy, which saves up to 10 percent of heating costs. You can also adjust the room temperature manually using the buttons on the FRITZ!DECT 302. Measure the temperature...
> https://en.avm.de/products/smart-home/fritzdect-302/details/