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 three post sizes - 2.5"x2.5", 2.25"x2.25" and 2"x2". Designed specifically for steel and aluminum posts. • Adapters included to fit over an actual 2.5"x2.5", 2.25"x2.25" or 2"x2" post • Choose between warm and bright white light modes - includes Warm/Off/Cool switch • Lights up automatically every night • High output surface mount LED technology • 1 long life AA Ni-MH rechargeable battery included • Quick and easy Do It Yourself installation. • 10 Lumens / Warm natural light 2700-3200 Kelvin OR bright white light 4500-5500 Kelvin • Patent No: D624,227 S Download our Instruction Manual