Wouldn't really matter what kind of lights. Just make the controller run a relay. Somewhere I have a a schematic for a timer I built with a 555 timer. IC was like 75 cents and I just scrounged the rest. Built it on a bread board. I am really curious what otb has up his sleeve.

"In time of war, send me all the Alabamians you can get, but in time of peace, for Lord's sake, send them to somebody else." General Edward H. Plummer

"Blessed are those who, in the face of death, think only about the front sight." Jeff Cooper