24 H 1920 x 1080 8,000,000:1 Max ACM 170 /160 2 x 1.0W VGA, 2x HDMI HDCP 250 cd/m2 2ms GTG Black The Acer S Series sports a razor-thin profile with a depth of only about half an inch. With its ultra-slim design, light weight, an integrated speaker and unique L-shaped base, the S Series is a showcase of modern design. The S Series is not only a beauty to behold ? it is also an impressive performer, boasting Full HD resolution, extremely high contrast ratio of up to 8,000,000:1 via Acer Adaptive Contrast Management ACM, and rapid 2 ms response time. When viewed on the S Series, high-def visuals leap to life. The S Series uses white LED technology, making this LCD monitor not only attractive and powerful, but also energy-efficient and earth-friendly.