The HP 840800-031 keyboard is a laptop replacement part for models with a 14-inch display. This variant is designated for the United Kingdom and combines an advanced keyboard with a TouchPad for typing and pointer control.
Its backlit keys add illumination to the keyboard, while the integrated TouchPad provides a built-in way to control the pointer. The listing identifies this specific part as the 840800-031 variant; it does not specify package contents.