DELL UltraSharp 32 4K Video Conferencing Monitor - U3223QZ. Display diagonal: 80 cm (31.5") , Display resolution: 3840 x 2160 pixels, HD type: 4K Ultra HD, Display technology: LCD, Response time: 8 ms, Native aspect ratio: 16:9, Viewing angle, horizontal: 178°, Viewing angle, vertical: 178°. Built-in speaker (s) Built-in USB hub. VESA mounting, Height adjustment. Product colour: Silver