Every Halloween lover enjoys a true haunted house. Bring the spooky to your party with the Haunted House Light Up Halloween Necklaces. This party favor is unique in design. Each inexpensive piece includes a black necklace measuring twenty-two inches in length. The 2.5-inch diameter medallion is printed with a cartoon style haunted house. Included is five lights that activate once you press the button on the back of the pin. The lights change from a slow change function to a flash. Batteries are included for instant use.