Stamped into the aluminum on the face of the frame
Stamped inot the aluminum frame on the side
overall: 1/4 in x 4 1/2 in x 7 in
The object consists of a green board and a blue plasic connector. The board is surrounded by an aluminum frame. On the component side there is a potentiometer in one corner. There are also several resistors, tansistors, and capacitors or varying sizes. On the other side there is a printed circuit.