Annin Solar Light for Flag Poles: * No wiring required * Operates with self charging solar batteries * Easy to install with no special tools required * Solar panels collect light all day and illuminate your flag at night * For use with in-ground poles 15" to 25" * This light has 20 LEDs * Solar flagpole light is 8" in diameter * Comes with 2 AA batteries * 1/2" diameter hole through the light * Fits any standard 1/2" spindle threading for flag pole ornament