Display panel size (in inches) for model VG279Q1R: 27 16:9 is the aspect ratio. Display Surface: Non-Glare; Display Viewing Area (H x V): 597.888 x 336.312 mm Type of Backlight: LED Panel Type: IPS Pixel Pitch: 0.311mm; Viewing Angle (CR≧10, H/V): 178°/178° Dimensions: 1920 x 1080 100% is the color space (sRGB). Type-specific brightness: 250cd/⎡ 1000:1 is the contrast ratio (type). 16.7M display colors MPRT Response Time: 1 ms; Maximum Refresh Rate: 144 Hz Yes, flicker-free Certainly, video feature trace-free technology GameVisual: In agreement Selection of Color Temperature: Yes (four modes) GamePlus: In agreement HDCP: In agreement Yes, extreme low motion blur Indeed, VRR technology (adaptive-Sync) Yes, GameFast Input technology Shadow Boost: Indeed Yes, low blue light Speaker Audio Feature: Yes (2Wx2) Ports for I/O 1.2 x 1 HDMI (v1.4) x 2 Earphones DisplayPort Jack: In agreement The frequency of the signal Frequency of Digital Signal: HDMI: 30–160 KHz