27-inch 4K (3840 x 2160) Tandem QD-OLED gaming monitor with 240Hz refresh rate and 0.03ms (GTG) response time for immersive gaming G-SYNC compatible for smoother, tear-free gaming visuals Custom heatsink helps maintain optimal performance ASUS OLED Care Pro functions with Neo Proximity Sensor detects user presence and switches to a black screen to reduce risk of burn-in VESA DisplayHDR 400 True Black compliance, 99% DCI-P3 gamut, true 10-bit colour, and Delta E Optional uniform brightness setting ensures consistent luminance levels DisplayWidget Center allows access to OLED Care functions and adjustment of monitor settings with a mouse ROG Gaming A.I technology with AI-powered features to enhance gaming experience