Headpiece with LiveLink application for ceiling-mounted luminaires. With integrated LiveLink WiFi control unit and LiveLink sensor for daylight-dependent control and presence detection as well as a WiFi module for secure commissioning and operation (WPA2 encryption). For ceiling-mounted luminaires in the Luceos D... series. LiveLink sensor Tridonic MSensor G3 PIR 5DPI for daylight-dependent control and presence detection. Constant light control with switch-off function when there is sufficient daylight. Passive infrared presence sensor, with highly sensitive multi-segment pyro sensors, with adjustable switch-off delay time, optionally in automatic mode (automatic on, automatic off) or semi-automatic mode (automatic off, manual on). Special IQ mode for automatically adjusting the run-on time to the use of the room. Special IQ mode for automatically adjusting the run-on time to the use of the room. Connection and electrical supply via the DALI interface of the LiveLink control unit. Number of DALI participants used: 5. Detection range: Ø 4.5 m, installation height 2.5 m - 5 m. Made of die-cast aluminum, white powder-coated (RAL 9016). Dimensions (L x W): 129 mm x 240 mm, H = 35 mm. Accessories available for 10 years after the invoice date, subject to reasonable changes in the interests of progress.