Make a daring declaration this Halloween with our Light-Up Beware Sign! Light-Up Beware Sign features an engraved stone design with cryptic "BEWARE" headline that glows red when activated via on/off switch. 3 AAA batteries included. Made of lightweight poly-Styrofoam, Light-Up Beware Sign is easy to hang from the attached wire and measures 20 1/2in x 11in x 1in.