GrayBean 11ft Red Neon Glowing Strobing Electroluminescent Wire (El Wire), with Battery Box Kit 9ft. Neon Red Electroluminescent (EL) Wire (3.2mm) Battery Pack Controller - 3 Mode (1. On 2. Strobing 3. Off) Flexible to DIY Pattern Requires 2 "aAA" Batteries (not included)