... .with CE,RoHS certificates 4.waterproof,dustproof P14mm outdoor full color led display screenVarieties of LED screen productsIndoor :P4mm, P6mm, P7.62mm, P8mm ... Cats(≤120M)/Fiber optical (10.000m)Widely UseWidely used in advertising, sports, industrial enterprises, transportation, stations, terminals, airports, construction, education system ...