The FIBARO Heat Controller Thermostat Starter Kit contains a Heat Controller Thermostat Head and also a Heat Controller Temperature Sensor. The FIBARO Thermostatic Head is an intelligent thermostatic head, which controls the temperature in the room, using the in-built or external sensor and regulating the heat level automatically, according to your individual preferences. It can be mounted without tools on three types of thermostatic radiator valves. You can create schedules via app to easily manage temperature throughout the week. With additional FIBARO Heat Controller Thermostat Temperature Sensor it is even more precise in adjusting the right temperature in your home.