Printed on the solder side, stamped into the face of the frame and handwritten on the side
Stamped into the side of the board
overall: 1/2 in x 4 1/2 in x 14 in
The module consists of a printed circuit board with various components, surrounded by an aluminum frame and Blue plasic 22 pin connector. At the end of the board opposite the connector there is a single micro switch.