Die-cast aluminum and spun housing for strength, elegance, and simple maintenance. Acrylic U.V. stabilized clear cylinder diffuser. Concealed gasket seals against insects, dust and moisture, IP 55. High power factor ballast with quick disconnect wiring system for easy maintenance. Medium and mogul base sockets optional. 70w to 250w PSMH and HPS lamp or QL/ICETRON or LED lamp operations.