Sterno Home 4 lumen solar post cap light. Multiple light colors to choose from: red, blue, green and white. Cast aluminum has black finish. Designed to fit most deck/fence posts and includes three adapters for 4 in, 4.5 in or 5 in posts. Runs Up To 8 Hours On 1 Rechargeable "AA" 800 Mah Nimh Battery (Included), Dimensions 6" x 6" x 4"