C-Bus 360 Degree Passive Infrared Occupancy Detector, C-Bus PIR Occupancy Sensor, 360 degree, flush, ceiling mount suitable for indoor use. The unit features a light threshold adjustment on the unit. The time delay is programmable in the range 1 second to 18 hours. Features a Sunset Switch program. Powered from C-Bus, 360 degree PIR Occupancy Sensor.