Customizable polycarbonate surface with 4/6/8/10 backlit touch areas - Temperature controller - Built-in temperature sensor - Touch confirmation by acoustic feedback - Brightness and proximity sensor - Total data saving in case of KNX bus failure - Integrated KNX BCU (TP1-256) - Dimensions 119.4 x 79.8 x 23.2 mm - Flush mounting in portrait or landscape format on standard European, Italian, Australian and American backboxes