... , LED display (Leading Supplies)Indoor - pitch 3.5mm, 4mm, 4.2mm, 4.4mm, 6mm, 7.62mm, 8mm, 10mm, 12mm, etcOutdoor - pitch ... , 14mm, 16mm, 20mm, 22mm, 25mm, 28mm, etc Project Information Pitch4.2mm, the smallest pitch for commercia full color LED display application ...