Spun Copper Shade with White Reflective Powdercoat Finish on the Underside. Adjustable Lampholder Housing with Clear Glass Lens. "No Tools Needed" Entry for Relamping. Adjustable Brass Knuckle with ½? NPT Threads. Includes 36" Cable with Wire Connector. Bright Polished Copper Will Age to a Dark Copper Patina. Bi-Pin G4 (4mm) Lampholder. Mount with Included Arrowhead Ground Stake. 20w Halogen Lamp Maximum. 12V System Requires Transformer, Not Included.