Dahua Technology LM22-B200S, 54.5 cm (21.4"), 1920 x 1080 pixels, Full HD, 5 ms, Black Dahua Technology LM22-B200S. Display diagonal: 54.5 cm (21.4"), Display resolution: 1920 x 1080 pixels, HD type: Full HD, Response time: 5 ms, Native aspect ratio: 16:9, Viewing angle, horizontal: 178°, Viewing angle, vertical: 178°. Built-in speaker(s). Product colour: Black