These solar patio bulbs are a set of 10 solar string light bulbs by Touch Of ECO. Measuring 20 in length, including a 8 lead. These solar patio bulbs are designed to add year round lighting and decor to any patio, deck, pathway, tree or trellis. This package includes an interchangeable clip and stake which enables the high efficiency solar panel to be mounted in a wide variety of locations. The solar panel features a built in day/night sensor which automatically turns the lights on each night for use up to 8 hours and then off each morning to charge. Choose between steady and flashing modes!