Measurement of room temperature, self-explanatory operator guidance with plain text via 2,8" coloured TFT touch display with glass surface, for configuration of the control system (operating modes, heating times, etc.), connection via CAN bus with Control Box Heating, (for WiFi version incl. WLAN module (2,4 GHz) for remote control via HERZ clever&smart App), white casing RAL 9003 with glass touch screen, dimensions 95 × 75 × 19 mm (h × w × d), protection class IP20, installation on flush box (screw spacing 60 mm) or direct on the wall, delivery incl. flush box and mounting material