Light up your flag all night long. Fits any flagpole up to 4 inches in diameter. Our solar flag light stays on for up to 6 hours at full power or for up to 12 hours at half power. The included 6-inch crystalline solar panel collects energy during the day, and at dusk, the 0.5W super-bright LED light turns on automatically, showing the flag the respect it deserves! Battery Included: 3 - AA Ni-MH - battery pack