Mini slave device to extend the detection range of a master device. The power part fits through the sensor hole in the ceiling with a diameter of 34 mm. The switching impulse to the master device occurs upon detecting movement, regardless of ambient light levels. It is compatible with 230 V master devices; for exceptions, please refer to the respective master device. Spring terminals allow for easy and quick installation in suspended ceilings and in luminaires. Includes a 45 mm cover ring and cover slats PD9-S-DE.