Passive infrared presence detector for surface ceiling mounting, 360° circular detection area, Ø 12 m (113 m2) at 3 m mounting height, 1 light channel (230 V relay) and 1 presence channel (potential-free relay for HVAC control), Extension of the detection area by parallel connection, Connection option for push-button for manual switching, Operation as fully or semi-automatic possible, One directional brightness measurement (mixed light measurement), Teach-in function, Pulse function, Test function, Staircase light function, ThroughConnection option for push-button for manual switching, Operation as fully or semi-automatic possible, One directional brightness measurement (mixed light measurement), Teach-in function, Pulse function, Test function, Staircase lighting function, Ready for immediate operation thanks to factory presetting, Setting via remote control/APP or potentiometer , Limitation of the detection area with cover clips,