Die Cast and Extruded Aluminum Housing with Separate Driver Compartment in Mounting Arm. Textured Architectural Black Powdercoat Finish Over a Chromate Conversion Coating. Includes 15ft 3-Wire Cord. 4 inch or 5 inch Die Cast Aluminum Pole Clamps. Fixtures Provided with Factory-Installed Photocell That is Internally Wired for Switching Within the Housing. Remote Direct Wired Interface of 1-10V Dimming is Not Implied and May Not Be Available, Please Consult Factory.