HDMI makes the difference: This display comes equipped with HDMI for superior quality, plus a wide range of other inputs that works on almost any device you have. Expand your view: The 21.5-inch LED backlit screen provides beautiful visuals, and the expanded viewing angle let's more of the family enjoy great view. Totally adaptable: Built-in power supply means less clutter whether at your desk or mounted on the wall. All those unsightly cords are just tucked away.