Features. Rugged seamless die-cast construction that prevents moisture entry. State of the art powder coat finish for maximum durability. Locking swivel knuckle allows positive lamp positioning and pin-point directional aiming. Lamp holders supplied with porcelain sockets internal gaskets extra long wire leads hardware and installation instructions. For exterior or interior lighting. For safety and security light walkways driveways and doorways. Type - RD 1 Lamp. Color - Gray