"functional characteristics Built-in 5.5-inch high-definition screen, full monitoring of input and output Equipped with USB3.0 streaming interface, presenting the ultimate live broadcast quality Supports anylayout of 2-way picture-in-picture, bringing a richerlive broadcast experience Up to 4 HDMI high-definition inputs, realizing multi-cameralive switching Built-in multimedia pool, support static image loadingHDMl output port supports PGM/PST/PVW function multiplexingRealize a variety of transition effects through T-BAR Extreme algorithm to achiewe Chroma Key movie-level keying Support quick call of PTZ camera to realize PTZ PTZ control Built-in mixer to achieve audio mixing outputEquipped with a headphone monitoring interface toachieve arbitrary monitoring of input and output audio"