... Outdoor Full Color LED Screen,led display,led board,16 bit process,double pole supporting,advertising billboard, cost effective,excellent color uniformity.Color ... 16 levels Grey grade: 4086 grade Color tone: 6500-9500K Display color: 68.72B Refresh frequency: ≥480Hz ... 02% Communication distance: 100m with UTP cable Video display function: synchronously display all kinds of texts, pictures, graphics, ...