Its the Super Brite Solar Light that outshines the Liberty Light. This light 
*According to the United States Code, Title 4, Chapter 1 – The Flag
(a.) It is the universal custom to display the flag only from sunrise to sunset on buildings and on stationary flagstaffs in the open. However, when a patriotic effect is desired, the flag may be displayed twenty-four hours a day if properly illuminated during the hours of darkness.
Patrick Page
Flag-Works over America