... the uniformity. ---- High energy efficiency Adopt high-brightness LED with low consumption, saving 20% power energy. ... enable the display to work in all weather outdoor environments. Aircraft-grade connectors of power supply ... LED display styles:P4,P4.75,P5,P6,P7.62,P8,P10,P12,P12.5,P14,P16,P20,P25,P31 ... .5,P40,P80. China led suppier high brightness p10mm outdoor led display board