A luminaire having a body that includes a first portion and a second portion, the second portion including two or more apertures. At least one of the two or more apertures being sized to match a main lighting component, at least one other of the two or more apertures being sized to match a first function module, and at least another of the two or more apertures being sized to match a second function module. One of the first function module and the second function module is one of a motion detector, a camera, an air pollution sensor, and a communication unit.