... processor(Optional)+ Fiber Transmitter(Optional) indoor led screen Copmosing:P4 led screen module: indoor led screen p4 Cabinet: indoor led screen Products list and application area: 1. Indoor ... , telecommunication, department, school, monitor, restaurant, entertainment, 3. Full spec, such as P4mm,P5mm, P6mm,P7.62mm,P10mm, P8mm,etc Indoor led screen Packing: