You possibly mean mode electronics Arcline, or possibly Pulsar Flexiflash. The arclines a blue 6' solid 2" clear blue tube with 4 strobes inside. They chain together and indeed strobe in a ropelight fashion with flash rate and movement under the control of a controler. Partularly effetive sound to light. Ive got a sizeable amount and its an effect you cant do any other way {other than flexiflash} , but it doesnt travel well and is tedious to maintain. It however does something that all the video walls and sharpies in the world wont...