ASUS BE229QLB, 54.6 cm (21.5"), 1920 x 1080 pixels, Full HD, LED, 5 ms, Black ASUS BE229QLB. Display diagonal: 54.6 cm (21.5"), Display resolution: 1920 x 1080 pixels, HD type: Full HD, Display technology: LED, Response time: 5 ms, Viewing angle, horizontal: 178°, Viewing angle, vertical: 178°. Built-in speaker(s). Built-in USB hub, USB hub version: 2.0. VESA mounting, Height adjustment. Product colour: Black