This is a nicely replicated prop of the Electrical Systems Regulaor or also know as the "ESR" . The real name for this is unknown. I gave it its name many years ago when I first offered it. No real reason , I just thought it sounded good. This prop is not a working unit for regulating the direction of the Time Cars Electrical sources. But It does light up as does in the movie version. The prop has two LEDs located on the upper section of the enclosure. One is green and the other is red. Both are lit when power is applied . There are also three yellow square indicator lights on the lower left side of the enclosure. They also illuminate when power is applied. This prop is located / mounted behind the passengers seat of the DeLorean. Please look at the movie clip I have provided for comparison.