9ft Aqua-blue Neon Glowing Electroluminescent Wire (El Wire) 9ft. Neon Aqua-blue Electroluminescent (EL) Wire (2.3mm) Battery Pack Controller - Off/On/Blink Mode Great for Parties, Raves, Costumes & Decorations Similar to "TRON" movie light effect Requires 2 "AA" Batteries (not included)