Rugged cast aluminum construction, the 2.5"x2.5" Imperial solar post cap offers a contemporary design. The powder coated finish means no future painting. It is designed for use with steel or aluminum posts. All are stocked locally and available to ship immediately. LED light, integrated solar panel, includes NiCAD batteries. Brilliant bright-white light output. Fits a 2-1/2" post, or also a 2" post with included adapter. 1-year warranty.