Philips P Line 329P1H/00. Display diagonal: 80 cm (31.5\""), Display resolution: 3840 x 2160 pixels, HD type: 4K Ultra HD, Display technology: LED, Response time: 4 ms, Native aspect ratio: 16:9, Viewing angle, horizontal: 178\u00B0, Viewing angle, vertical: 178\u00B0. Built-in speaker(s). Built-in USB hub, USB hub version: 3.2 Gen 2 (3.1 Gen 2). VESA mounting, Height adjustment. Product colour: Black\n\nDisplayDisplay diagonal31.5Display resolution3840 x 2160 pixelsNative aspect ratio16:9Display technologyLEDHD type4K Ultra HDPanel typeIPSBacklight typeW-LEDDisplay brightness (typical)350 cd/m\u00B2Response time4 msAnti-glare screenYesScreen shapeFlatAspect ratio16:9Contrast ratio (typical)1000:1Contrast ratio (dynamic)50000000:1Dynamic contrast ratio marketing nameSmartContrastMaximum refresh rate60 HzViewing angle, horizontal178\u00B0Viewing angle, vertical178\u00B0Display number of colours1.07 billion coloursPixel pitch0.18159 x 0.18159 mmPixel density140 ppiHorizontal scan range3%