This is a JVC Multi Display Unit, model SA-K723U, designed as an audio meter and control interface for JVC HiFi VHS Duplicators. Specifically, it is compatible with the JVC BR-7020U model, as indicated on the unit's label. The unit features dual L/R audio level meters, along with a comprehensive set of control buttons including EJECT, REW, STOP, PLAY, REC, PAUSE, SHIFT, DOWN, UP, and ENTER. It also includes ID selectors (A, B, H.M) and a display area.

This listing includes the JVC SA-K723U Multi Display Unit itself, with its integrated multi-pin connector cable as pictured. The unit is constructed with a durable metal casing, plastic buttons, and clear meter covers. The power specifications are DC12V at 2W. The unit was manufactured by Victor Company of Japan, Ltd., in Japan. Its dimensions are approximately 9.5 inches in width.