Detailed Product Description Full Color LED Display BoardLeading suppliesIndoor pitch - 3.5mm, 4mm, 4.2mm, 4.4mm, ... but also tourists at the tour site. Display Time & Contents - the 113 sqm display was done in Jan 2007, it displays 14 ... shops.Color Revivification - this project use Yaham patent control system. our control system can bring true, lightful colors to audiences because of ...