https://wccftech.com/acer-unveils-the-55-inch-4k-oled-monitor-the-predator-cg552k/

Amidst all of Acer's other CES 2020 announcements, Acer has introduced its first big-format OLED display aimed at gamers. This display is called the Predator CG552K and has all the features that you can expect from the OLED technology along with a maximum refresh rate of up to 120 Hz. Along with the higher refresh rate, this monitor also offers support for three different versions of variable refresh rate technologies.

The Predator CG552K is a 55-inch monitor that has a resolution of 3840 x 2160, a 400 nits maximum brightness, and this display can show off 98.5% of the DCI-P3 color gamut with a color calibration accuracy of Delta E