HP SPS-WEBCAM HD 720P, part 840722-001, is a webcam module for the HP ProBook 640 G2 parts range. It is a camera component intended for equipment that uses this matching part.
Its confirmed image specification is HD 720P. This module is a practical replacement part when the corresponding webcam component needs to be fitted in a compatible system. The listing identifies it specifically as an HP webcam module, rather than a standalone USB webcam.