Detailed Product Description LED displayLeading suppliesindoor - 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 FeaturesPatent Yaham control system for better color revivification and more energy-saving (compared with common control system, Yaham's save 15% )Yaham own Brightness Control System for brightness ...