Schlüter-DITRA-HEAT-E-R6 is a smart all-in-one thermostat for controlling floor and wall coverings that are electrically heated with Schlüter Ditra heat It can either be operated manually via the 2” (5.1 cm) touchscreen display. Use remotely using WiFi in conjunction with our Schlüter-HEAT-CONTROL app. Voice control using an Amazon Alexa or Google Assistant smart home device. The theromastat can control surface or room temperature An additional sensor which is installed but left unconnected, is included in the box