Imperial solar post cap is unequalled in performance. The rugged cast aluminum 4"x4" solar post cap is designed using 3 high output LED's to provide a brilliant white light with contemporary design. The powder coated finish means no future painting. High Performance solar lights_stays lit for up to 10 hours Lights up automatically every night_auto_off switch. High output surface mount LED technology -3x brighter than standard LED's Manufactured from durable cast aluminum 1, Long life AA Ni-Mh rechargeable battery and will fit over an actual 4"x4" or 3.5"x 3.5" post (3.5"x3.5" adaptor included)*. This bronze post cap ships from Canada. It ships usually a day or 2 after the order is received. Please allow a few extra days for tracking information.