ESUMIC 15FT/4.5m EL Neon Glowing Strobing Electroluminescent Wire with Controller (BLUE) 15ft/4.5M Neon Electroluminescent (EL) Wire (2.3mm) Battery Pack Controller - Off/On/Blink Mode Great for Parties, Raves, Costumes & Decorations Accessory: Battery Box, (require 2 AA batty, not included) Material: PE, flexile, portable