Printed circuit board
||Etched in solder on the solder side of the object
||Written on a piece of masking tape attached to the object
overall: 1/2 in x 4 3/4 in x 5 1/2 in
The object has a variety of resistors, transistors, diodes, and capacitors. It has an edge connector on the top and a single latch on the bottom with the label "PHD.".