This open sign is guaranteed to get attention and let your customers know your open for business. Super bright L.E.D. open sign hangs in any window, just plug into outlet and you"re ready to go. Only 3/4" deep, rectangular sign measures approx 10" high, x 19" wide, with brilliant red `OPEN` sign highlighted by vivid flashing blue L.E.D lights. Low voltage operation, energy efficient, long life.