A bright neon, battery powered Celtic shamrock window ornament to show your Irish pride. It lights up all green. The etched shamrock in the center is surrounded by green lights. A 17.5 inch cord attaches to the top of the ornament on one end and on the other it attaches to a round battery box - which comes with adhesion strip for attaching to your window. It runs of 3 AAA batteries and is 8.75 inches in diameter. Plastic. LED lights