indoor led large screen display: 1) High quality 2) CE,ROHS,C- ... concerts ,stage, events,stadium,advertising ,train station,shopping center,meeting screen ,airport ,mall...Feature: 1) Extremely close viewing distances and ... brilliant color, breathtaking grayscale.Specification: Technical Parameters of P6 indoor LED displayUsageIndoorPitch(mm)6Pixel Constitute1R1G1BLED Chips--Opto+SilanR:λd(625-630nm ...