TOOGOO(R) Neon Glowing Strobing Electroluminescent Wires (El Wire) - Green, Blue, Red & Pink Party Pack 4pc Set Includes 1 Red, 1Green1 Pink & 1 Blue Electroluminescent (EL) Wires (2.3mm) Includes a Battery Pack Controller for Each Wire with Off/On/Blink Modes Great for Parties, Raves, Costumes & Decorations TRON style light effect Can run 24+ hours continuous on 2 AA Batteries