Elo Touch Solutions E351600 computer monitor 54.6 cm (21.5") 1920

The maximum width and height of a display that can be viewed or used at one time, expressed as two dimensions separated by an ‘x’ (e.g., 527.04 x 296.46 mm). It indicates the usable visual space on the screen for content or interaction.

The pair of horizontal and vertical dimensions in millimetres that a product supports for VESA mounting (e.g., "100 × 100 mm"). This value indicates the exact hole spacing required by a mounting bracket to secure the device. It is used for monitors, TVs, projectors and other display equipment that can be wall‑mounted or attached to stands.

The technology used by a device’s touch-sensitive display to detect user input. Common types include capacitive, resistive, infrared, and surface acoustic wave. This attribute helps users understand the interaction method, durability, and sensitivity of the touchscreen.