DV4 accepts a wide variety of video signals, including computer video, HDTV video. It combines seamless, fade in fade out switching with advanced scaling technologies, which meet the requirements of high quality, high resolution video presentations. In addition, it uses the demo enhancements, such as loop out, multiple switching effects, PIP operation, multiple split modes, PTP mapping, save and recall functions and multiple controlling ways. All these  make lots of advanced functions in high-end show are available.

DV4 can meet the demands of current LED screen control, it can save the area and improve the efficiency, and the installation of power is quite simple if setting the power supply module.