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The 55-inch interactive digital signage integrates a computer, monitor, speaker, whiteboard, projector and query machine into one. The interactive touch screen is preferably infrared and capacitive touch screens, supporting multiple touch gestures, 10-point touch. The 55-inch interactive digital signage is highly accurate and features anti-interference infrared touch positioning technology, responds quickly.link:https://www.qingvision.net/digital-signage-display/interactive-digital-signage/55-inch-interactive-touch-screen.html