Esky 10ft Neon Glowing Strobing Electroluminescent Wires (El Wire) - Blue, Green, Red & Pink Party Pack 10 feet of 2.3mm EL wire in Blue, Green, Red & Pink coloring Battery pack controller with off/on switch and strobe mode Great for rave parties, displays, and costume decorating Note: Requires 2 AA batteries for use. Batteries not included.