1[Four Way Output] The switcher supports 4K30Hz, 4 way HD Multimedia Interface output at the same time, can be connected to 4 monitors at the same time to display the same picture. 2[Compatible] Video player can be connected to new and old TVs, projectors, monitors, splicing screens, etc, and supports HD Multimedia Interface to DVI or HD Multimedia Interface to VGA. 3[Multifunctional] Media player starts to play video, music, pictures automatically, supports video seamless switching loop playback, horizontal and vertical screen switching, can add advertising subtitles. 4[Multi Input Mode] Video splitter with video power off memory to play from the beginning, support U disk, Memory Card, external mobile hard disk playback, suitable for different scenarios. 5[Multiple Applications] Video player is mainly used in commercial exhibitions, advertising displays, PPT teaching, hotel advertising, car playback, home viewing and TV store demonstrations.