Located on front of the power adaptor under the manufacturer's title.
overall: 3 1/4 in x 2 3/8 in x 2 3/4 in
At the back of the adapter is a standard American two pronged wall-plug. The front has the manufaturer's label, which includes the model number and input/ output information. The lot number is hardmarked below the manufacturer's label on the front. On the back there is a Warning stamped into the back. Extending from the bottom is a black cable with white patterning. The cable ends in a 1/8th inch phone connector. The base of the connector has a textured band stamped into the plastic.