Presence detector comfort for KNX pure white presence detector for presence monitoring (operating mode: presence detector), for motion detection (operating mode: ceiling monitor) or for monitoring by message telegrams (operating mode: detector) indoors. Features: Flush-mounted device with integrated KNX bus connection. Programming LED button can be operated visibly after removing the decorative ring when installed. PIR sensors: three sensors (crossed beam paths), integrated brightness sensor. Adjuster for manual correction of sensitivity. Sensitivity configurable. Sensitivity adjuster on the device can be deactivated via software. Display of motion detection (permanent or only in the walking test). Separate evaluation in the long-range of the three PIR sensors, each with 120 detection field with overlap. Manual operation via IR remote control. A maximum of 5+2 function blocks can be configured. Function blocks 1 to 5 each have an adjustable function: ceiling monitor, presence detector, message operation. Function block 6: presence detector with light control. Function block 7: Brightness sensor with limit value monitoring. Function block switching, e.g. for daytime or nighttime operation or weekday or weekend operation. Function blocks 1 to 5: Single device, main unit, extension unit adjustable. Adjustable operating mode with single device as main unit: Automatic, semi-automatic (Manual ON Automatic OFF or Automatic ON Manual OFF). Two outputs per function block (1 to 5) for ceiling monitor, presence detector function. Ceiling monitor, presence detector functions per output: Switching, staircase function, switching with forced position, dimming value transmitter, light scene extension unit, temperature value transmitter, brightness value transmitter, temperature operating mode. Ceiling monitor, presence detector: Adjustable twilight level, twilight level via external communication object or via teach-in, additional transmission delay via external communication object, adaptive follow-up time (self-learning additional transmission delay), short-term presence function, feedback of the twilight level, lock function, manual operation via touch sensor (separate communication object), switch-off brightness (with presence detector) via teach-in, measurement of the time period after the last movement. Presence detector function with light control: Combination with presence detector function block or individual device, setpoint adjustable, setpoint specification via external communication object, setpoint shift via external communication object, teach-in function, feedback of the effective setpoint. Brightness sensor function with limit value monitoring: Up to three limit values can be configured, switching functions, dimming value transmitter, light scene extension, hysteresis can be configured, limit value via external communication object or teach-in, lock function. Notes: The presence detector is not suitable for alarm messages in VdS-compliant alarm systems. Ceiling mounting on solid ceilings in device boxes or surface-mounted housings.