... with CE,RoHS certificates 4.waterproof,dustproof P16mm outdoor full color led display screenVarieties of LED screen productsIndoor :P4mm, P6mm ... Fiber optical (10.000m)Widely UseWidely used in advertising, sports, industrial enterprises, transportation, stations, terminals, airports, construction, education system, ... .3.Shipping port:ShenZhen,Mainland China. P16 full color outdoor oled display (2R1G1B)