16:9. 1920 x 1080 pixels. Dynamic contrast ratio 5 000 000:1. Viewing angle, 178°H/178°V. D-Sub, Display, DVI and HDMI input. Flicker-safe and reader mode. 3 USB ports. Versatile screen height / tilt / pivot / swivel adjustments. Integrated speakers. 3-year warranty. 23.8 in. Sold by each.