Classy Cambridge Solar Post CapThe Cambridge cap is manufactured from heavy duty, weather resistant cast aluminum with a powder coat finish and pebbled glass. It's alluring low profile look is sure to compliment any post you'd like to have lit up. This solar post cap features two high output surface mount LED's that will automatically light up at dusk to create a picturesque look on your railing for up to 12 hours. 1 long life AA Ni MH rechargeable battery included Will fit over an