... 3)Strong heat remova P20 outdoor Full Color LED Board Unit ModuleItemPh20Pixel pitch20mmSize of Module320×160mmDensity of Pixel2500 ... Time5000 hoursLife-span100000 hoursMalfunction Dot Rate0.0001Kinds of different type LED chips are optional: Nichia, COTCO CREE, CREE, ... hoursLife-span100000 hoursMalfunction Dot Rate0.0001Kinds of different type LED chips are optional: Nichia, COTCO CREE, CREE, ...