Switching Compact IP54 Ceiling Surface Mounted PIR Presence/Absence DetectorThe Switching Compact IP54 Ceiling Surface Mounted PIR Presence Absence Detector (model EBDSM PRM) is an advanced, self contained PIR presence absence detector designed for automatic control of lighting, heating, and ventilation systems. This compact surface mounted unit eliminates the need for external control boxes, making it an ideal solution for spaces where simplicity and efficiency are essential. Available in three variants Premium (PRM), Direct