The modern yet elegant Imperial Solar Post Cap offers a clean contemporary design that is unequalled in performance. Its rugged cast aluminum construction with powder coated finish means no future painting. The Imperial was specifically designed for use with steel or aluminum posts.
 
Will fit over an actual 4" x 4" or 3-1/2" x 3-1/2" post (3-1/2" x 3-1/2" adapter included).
2-1/2" will fit over three post sizes: 2-1/2" x 2-1/2", 2-1/4" x 2-1/4" and 2" x 2".
Lights up automatically every night
High output surface mount LED technology
1 long life AA Ni-MH rechargeable battery included
10 Lumens / bright white light 4500-5500 Kelvin