The FRITZ!DECT 301 intelligent radiator control for the Fritz!Box home network automatically and precisely controls room temperature. Control via PC, notebook, smartphone or tablet - Even away from home via the internet and the MyFRITZ! app. E-paper display with edged font for enhanced legibility, integrated into the home network via DECT ULE, enables automatic heating based on your individual schedule, FRITZ!DECT automatically measures ambient temperature around it, group switching lets you make changes to all radiators in a group at once, automatically detects open windows and notifies you about them. Includes: 1 x Adapter for Danfoss RA 2 x AA/Mignon/LR6 batteries 1 x Installation guide Requirements: FRITZ!Box with DECT (exceptions: FRITZ!Box 7312, FRITZ!Box 7412) and FRITZ!OS Version 6.83 or later!