The body of Nitor² Downlight is made of aluminum for the heat sink and junction box, plastic for the housing, and an acrylic diffuser, providing a sturdy luminaire with a nice, even distribution. Butterfly clips come standard. The Nitor² Downlight comes standard with a high-performance, universal driver that goes from 100-277V, power factor of 90%+. It comes standard with 0-10V and front-edge phase dimming.