... 3.CE FCC Commercial advertising show P16 outdoor led displayMain appliedStadiums, sports gym, advertisement, concert, bank, shopping mall, station, bar, ... AVI, VGA, SDI,MOV,MPG, HD-SDI, etc. LED displays Maintenance1. Maintenance principles: response in time, solve problems as ... 2. Maintenance period: In the Maintenance period of the LED screen body, free of all maintenance charges; After Maintenance ...