... , LED display (Leading Supplies)Indoor - pitch 3.5mm, 4mm, 4.2mm, 4.4mm, 6mm, 7.62mm, 8mm, 10mm, 12mm, etcOutdoor - ... other than the side faces of stairsService AccessRearOthersModel YH-T4.2-1R1PG1B-16S-KFinish Time Nov 2005Location Landmark, Central, Hongkong ... Specifications LEDLED Lifespan (50% Brightness)≥50,000 hoursPixelPixel Pitch4.2 mm Pixel Configuration3-in-1 SMDPixel Density56,690 pixels/sq ...