This number is located on the bottom of the module next to the connector pins
overall: 6 5/8 in x 2 in x 7/8 in; overall: 6 3/8 in x 2 in x 7/8 in
The record contains 3 modules. They have light blue metal sides and a clear handle with no bands. There are 34 connector pins at the bottom of the object. There are two circuit boards on each side comprised of various components and wires. The words "U.S. Comp. Inc." is located on the bottom of 1 of the modules where the connector pins are. 2 of the modules has 2 plastic pieces that hold the connector pins attached to the bottom of the module. These connector pins are thicker than the connector pins on the single plastic pieces attached to the other module.