Acer Professional 233HLOymdh, 58.4 cm (23"), 1920 x 1080 pixels, Full HD, 5 ms, Grey Acer Professional 233HLOymdh. Display diagonal: 58.4 cm (23"), Display resolution: 1920 x 1080 pixels, HD type: Full HD, Response time: 5 ms, Native aspect ratio: 16:9, Viewing angle, horizontal: 170°, Viewing angle, vertical: 160°. Built-in speaker(s). USB hub version: 2.0. Product colour: Grey