Valley Forge, American Flag Light, Cast Aluminum, Solar Powered, 40 LUX, Residential Light for 1" to 3" Flagpole Solar powered flagpole light - 40 LUX output; Lasts 6-8 hours in ideal sunlight conditions For best results, charge the units in direct sunlight for 2 full days with the power switch turned off Ideal for residential flagpole, porch, or in-ground flagpole, ranging from 1" to 3" in diameter. Constructed of cast aluminum, with flexible gooseneck design, making adjusting your flag light easy. Includes and utilizes 3 individual AA rechargeable batteries. Show your pride by illuminating your flag at night while adhering to US Flag Code