Four Seasons Courtyard, 5 Lumens, Plastic, Solar LED Bollard Light, Black Finish With Plastic Lens, Automatically TurnsOn At Dusk, Powered By Crystalline Solar Panel, Runs Up To 8 Hours On 1 Rechargeable "AA" 500 Mah Nimh Battery, Included, Dimensions 2.5" x 2.5" x 11.09".