DALI network PIR detector 
The EBDSPIR-DNET1 is a combined passive infrared (PIR) motion sensor and photocell designed to be part of a DALI network.
Functioning as a presence detector, the unit returns occupancy data to the DALI network.
The photocell provides a lux level measurement value to the DALI network.
Suitable for the control of lighting only.
Click here for the Dali Network Detector brochure.