Create a real cool look with this dual cathode kit these kits come complete with two 12 blue cold cathodes and a dual invertor they are an excellent way to enhance the pre modded case range features 2x 12 acrylic tubes one invertor dual output dual 12ccfl uv light kit cold cathode ccfl pc kits for the brightest computer case lighting one standard set ccfl pc kits including 2pcs ccfl tubes 1pcs ccfl inverter 12v dc input 1 set of molex and switch technical datas lifetime 30 000