Detailed Product Description LED display (leading supplies)Indoor - pitch 3.5mm, 4mm, 4.2mm, 4.4mm, 6mm, 7.62mm, 8mm, 10mm, 12mm, etcOutdoor - pitch 10mm, 12.5mm, 14mm, 16mm, 20mm, 22mm, 25mm, 28mm, etc Project InformationPitch & LED3.5mm, the smallest pitch for commercial use up to now (April 2009). As you know, smaller the pitch is, relative design techniques, processing techniques need more ...