The MAXSA 47332 Solar LED Deck Lights illuminate your way while adding safety and elegance to your deck, porch, or other outdoor structure. Mount them flat on the ground or vertically to deck railings, porch steps, or other outdoor area. These solar-powered, dusk-to-dawn lights are designed to highlight obstacles and hazards while giving you the necessary light to move about safely. These are packaged as a set of four and can be easily installed without wires or an electrician.