Motion detector switch combination. For brightness and motion-dependent control of lighting. Push-button function always possible. Detection with animal corridor. With indicator LED when manual operation is required. Compatible with all flex inserts. Adjustment elements on the back. 2 controllers for setting brightness switching threshold and delay time. Extension of detection range through main and secondary station combinations. Additional on/off capability via push-button input on the flush-mounted insert. Adjustable operating modes: Automatic operation, automatic (motion-controlled) switching on and off. Adjustable operating mode: Semi-automatic, manual switching on, automatic (time and motion-controlled) switching off. Adjustable operating mode: Switching on automation, automatic switching on, manual switching off. With continuous light/continuous off function. Monitoring density: 9 sectors with 28 switching segments. Switch-off delay: adjustable from approx. 1 min to 10 min. For relay insert flex, single, 64811 U. For e-contact insert flex, single, 64814 U. For relay insert flex, double, 64821 U. For LED push dimmer insert flex, single, 64851 U. For secondary station insert flex, 64891 U. Installation height: 21 mm. Please order the corresponding flush-mounted insert separately. The range specifications refer to an ambient temperature of 21 °C. Pure stainless steel. Busch-flexTronics®.