These battery operated LED Rice string WHITE lights are perfect for use in floral arrangements (not waterproof) party decorating bridal bouquets cake tops doll houses miniatures Christmas trees wreaths costumes and whatever your imagination comes up with. 20 White LED Lights on a 7 Foot Silver wire. Operates on 3 "AA" batteries (not included) with at least a 15 hour operating time in the Continues On mode and over 30 hours in the Flashing mode.