Xiaomi has introduced the Mi TV ES Pro 90-inch, a new flagship in its Mi TV ES Pro range. Spanning 90-inches and with a 98-inch screen-to-body ratio, the new Mi TV ES Pro delivers a native 4K image with a 144 Hz refresh rate, 1,000 nits peak brightness and HDMI 2.1 connectivity, among other features.https://www.notebookcheck.net/Xiaomi-unveils-Mi-TV-ES-Pro-90-inch-Smart-TV-with-144-Hz-1-000-nit-and-HDMI-2-1-VRR-panel.716725.0.html
...So it has about 100 lighting zones in total, so much for "Pro".