HP ZR24w 24-inch S-IPS LCD Monitor - Manual (Page 23)

Locating the Rating Labels
The rating labels on the monitor provide the spare part number, product number, and serial number.
You may need these numbers when contacting HP about the monitor model. The rating labels are
located on the rear panel of the monitor display head.
Figure 3-15 Locating the Rating Labels
Installing a Cable Lock
You can secure the monitor to a fixed object with an optional cable lock available from HP.
ENWW Locating the Rating Labels 15