This Better Homes & Gardens Solar Powered LED Deck Fence Light produces 20 lumens of bright light to areas of need. Stairs, fences, side of the house or anywhere else that is light deficient. Durable metal construction in matte black finish and glass lens is stylish and sturdy. It is easy to install and powered by a rechargeable lithium battery included that will provide up to 8 hours of illumination during the evening hours and automatically activating with the dusk-to-dawn sensor.