Acer KG1 28'' Gaming Monitor has a 4K display with Ultra High Definition resolution and with a screen resolution of 3840 x 2160. Due to its high-quality resolution, the screen has an excellent blend of colors and an enjoyable viewing experience with clarity and improved detailing. It produces high-quality images that enhance efficiency and generates greater visual enjoyment. The native screen refresh rate is 144 Hz. The response time of this monitor is the fastest, i.e. 1ms, and brightness is 330. It has in-built HDMI and VGA video inputs with 2 HDMI ports. The aspect ratio is 16:9 and the contrast ratio is 100000000:1. It comes with 90-day Limited Warranty.