The Patriot Lighting® Solar LED Flag Light has a durable metal construction with LED technology, so you'll never have to replace bulbs. This flag light automatically turns on at dusk and shines bright through the night, maximizing convenience and energy savings. Thanks to solar power, the Patriot Lighting® Solar LED Flag Light requires no wiring and can be used where no electrical supply is available. Easy to use and ready to install in minutes, this light is safe to use around water and can stand up to the elements. It features an adjustable mount that fits most standard 2-1/4 inch to 5-1/2 inch diameter poles (sold separately).