Detailed Product Description Full Color LED Display BoardLeading suppliesIndoor pitch - 3.5mm, 4mm, 4.2mm, 4.4mm, ... .5mm, 14mm, 16mm, 20mm, 22mm, 25mm, 28mm, 32mm etc Project Information Pitch - Yaham recommended pitch 16 for the project, main viewing ... shops.Color Revivification - this project use Yaham patent control system. our control system can bring true, lightful colors to audiences because of ...