... distance,Custom sizes,Meet sever weather,Support multi data format ,HD security cameras,Wireless control etc. 1.Display freely broadcast pictures ... front etc.4.Custom sizes can also be made5.Optional HD security cameras with digital ptz and offsite video storage.6 ... be controlled remotely via wireless controllerTrade terms:1.Payment term:30-50%T/T as prepayment, 50-70% T/T balance ...