... or indoor full color display system, or LED video screen, LED billboard, LED display panel, available for different ... display system performs more stably and reliably. Pitch Items for advertising display signs: Outdoor display system: PH10, PH14, PH16, PH20, PH25, PH31. 25, PH40 Indoor display system ... media for reaching your target viewers. The Display system can work with: video camera, TV, ...