Features 1. It has signal buffering, amplification capability and automatic identification function. 2, can achieve long-distance transmission over 15 meters (expansion) by means of serial connection 3, through the stacking method, can significantly increase the number of HD output ports 4, support 480p, 576p, 720p, 1080i, 1080p, 1890 * 2160, 2K resolution 5, support high-definition video, high-quality, clear, up to 2K HDTV resolution 6. Easily connect to multi-channel audio receiving devices 7, fully support HD 1.4, support 3D 8, fully compatible with HDCP 9, quick installation, easy to operate 10. The vertical pixel of the output image is up to 2K, which conforms to the HD1.3 standard and is compatible with the HDCP protocol.