Lily's Home Battery Operated 20 LED String Lights with Flash and Continues On Modes. For Use in Floral Arrangements Party, Wedding Decorating and More 20 Miniature LED lights on a 7 Foot long silver wire. 2 Functions; Flash & Continues On Battery operated - 3 "AA" (Not Included) Great for use in floral arrangements (not waterproof) party decorating Great for use in Weddings - Bridal Bouquets Cake Tops Doll Houses Miniatures Christmas Trees Wreaths and Costumes Minimum of 50 hours operating time in the Flash mode