Fortune Products ELFW-5-3PK Electroluminescent Flash Wire, 5mm Diameter x 3 yd Length, Pink Electroluminescent flash wire runs on two AA batteries (sold separately) to produce a line of pink light Wire can be used as a decoration or as part of a costume Lights can be set to flash slowly, flash quickly, or display as a constant line of light to suit the application Measures 3 yards long and 5 mm in diameter