It includes our exclusive Adjust-a-Socket mounting bracket. This adjustable bracket allows the user to raise or lower the lamp within the interior of the reflector, to customize the light pattern. Designed to illuminate a large growing area. Assembly required. Includes a 5 Kv mogul base socket assembly with an attached 15 Ft 16 gauge lamp cord. Socket includes chrome V hanger for easy vertical hanging. Socket comes with the patented male lamp receptacle which is compatible with all Sun System® ballasts attached by a flexible pigtail strain relief.