Homematic IP Starter Set Room Climate XXL with WLAN Access Point Central, 5x radiator thermostats basic and magnetic door/window contact The Homematic IP Starter Set Room Climate XXL offers all components that are important for the start into smart heating control. In addition to five radiator thermostats that can be mounted on any existing heating system, the scope of delivery includes a door/window contact and a WLAN access point that enables control via smartphone. Functions/compatibility - Homematic IP offers integration of the areas of room climate, security, fire and water protection, weather, lighting and shading - easy to install, easy to expand and easy to secure - basis for smart room climate control - integration of radiator thermostat and window/door contact via Homematic IP Access Point; Configuration and operation via free Homematic IP app for iOS and Android; free cloud service; voice control via Amazon Alexa or Google Assistant - Security and reliability thanks to radio