HP ZR30w - Manual (Page 20)

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 3-14 Locating the Rating Labels
Installing an HP/Kensington MicroSaver Security Cable
Lock
You can secure the monitor to a fixed object with an optional cable lock available from HP.
14 Chapter 3 Setting Up the Monitor ENWW