Add some spooky ambiance to your Halloween decor with this battery-operated LED string light set. Featuring purple bulbs and a bat theme, this 9' length set is perfect for indoor use only. The black wire and plastic and metal materials create a creepy atmosphere that is sure to impress your guests. The Christmas Tree Shop brand string light set is designed for Halloween and comes with a 9 ft cord [2.74m]. The LED bulbs provide a purple glow that will illuminate your Halloween decorations. This novelty light set is perfect for Halloween parties, trick-or-treaters, or just to create a spooky atmosphere.