I was skeptical about purchasing these because they are solar powered, and I wanted a bright light for outside my chicken coop to keep predators away. This set delivered. First, the solar panel is extremely heavy duty. I was really shocked at the quality. It came with everything needed to mount the solar panel as well as the lights. There is no adhesive strip on the lights, so you will have to use the clips that are provided or get your own clips for installation. It's a bit time consuming but worth it. The light has multiple settings to control brightness. It gets very bright for solar lights. I can't comment too much on the length of time the lights stay on because it has been very dreary here for several weeks, and the solar panel has not been able to get full sunlight all day. However, because of the quality, I imagine it would last for several hours. This is a great product at a good price.