Rayzeek PIR Motion Detector Ceiling Mount Occupancy Sensor
Commercial Electric 12 in. Adjustable Motion Sensor LED Flush Mount Ceiling Light 1000 Lumens Dimmable Direct Wire 4000K 54074491 - The Home Depot
Lithonia Lighting Large Motion 360 Degree Dual Technology Ceiling Mount Occupancy Sensor in the Motion Sensors & Detectors department at Lowes.com
Ceiling Mount 360 Degree PIR Occupancy Motion Sensor
Ceiling Recessed PIR Infrared Motion Sensor for Lights
Ceiling Mount PIR Motion Sensor, Manufacturer, Dealers PIR Sensors, India, Sensors
4” diameter motion sensor (?) on the ceiling of my new apartment. Makes a tiny click when you move under it. Can't remove it, and no idea what it could be for. :
Ceiling motion detector with IR sensor Mini - Cablematic
Sensor Switch Small Motion 360º Line Voltage Ceiling Mount Occupancy Sensor with Passive Dual Technology in the Motion Sensors & Detectors department at Lowes.com