Acer AL1531M 15" TFT .29 75kHz, 15", 1024 x 768 pixels, 16 ms Acer AL1531M 15" TFT .29 75kHz. Display diagonal: 15", Display resolution: 1024 x 768 pixels, Response time: 16 ms, Viewing angle, horizontal: 130°, Viewing angle, vertical: 100°