Accmor Led String Lights with timer, 3xAA Battery Operated Lights Set for Father's Day - Perfect Bedroom, Indoor or Outdoor Decorations - 7.87ft 20 lights (4 Pack, Warm White ) The string lights is 3 x AA batteries operated, can be used for outdoor, portable to wrap anywhere The led decorations are made of flexible copper materials, can be bent and shaped easily Decorative timer lights is 6 hours on and 18hours off, waterproof, durable and heat-resistant Use in sport to light your jacket, your bicycle, helmets, so other vehicles can see you on the road Decoration gift for Halloween, Christmas, Valentine's, Mardi Gras, custom parties, fourth of July.