There is provided a luminaire arrangement (30) comprising a luminaire holder (10) and a luminaire module (20).

The luminaire rotating platform has a luminaire rotating shaft (3-2) which can drive the rotation of the detected luminaire(5).The axis of the luminaire rotating shaft (3-2) is perpendicular to the axis of the main rotating shaft (1-2).

A ceiling-embedded luminaire facilitating embedding of an luminaire body in a ceiling regardless of the size of the luminaire and allowing reliable installation of the luminaire body in the ceiling.

The invention also describes a frame (2) of such a luminaire element (10); and a luminaire (1) comprising a plurality of such luminaire elements (10).

A luminaire including a luminaire assembly and a light source is also described.

Each lighting fixture processes sensor data provided by its own sensor, a remote standalone sensor, or lighting fixture, and processes the sensor data according to the lighting fixture's internal logic to control operation of the lighting fixture.

Each lighting fixture may process sensor data provided by its own sensor, a remote standalone sensor, or lighting fixture, and process the sensor data according to the lighting fixture's own internal logic to control operation of the lighting fixture.

Each lighting fixture may process sensor data provided by its own sensor, a remote standalone sensor, or lighting fixture, and process the sensor data according to the lighting fixture's own internal logic to control operation of the lighting fixture.

Motion or occupancy sensors are used to determine when a lighting fixture and/or a nearby lighting fixture should be activated.

The lighting fixture may include a ceiling panel fixture and a riser panel attachable by way of a hinge mechanism.