Call the Dark Knight for yourself with this Bat Signal Prop Replica! This amazing Bat Signal actually lights up and reveals the Batman logo silhouette. Save Gotham City with this Batman Bat Signal Prop Replica! Measures about 12 3/4-inches talk x 9-inches long x 8-inches deep. The Batman Bat Signal Prop Replica can be powered via USB (cord included, no wall connection). The Bat Signal can also be powered by 3x "AA" batteries when the Bat Signal is not plugged in by USB.