【Main Function】This Live Streaming video switcher supports 4 HDMI inputs.It can quickly and stably switch among multiple video signal sources, such as cameras, computer screens, video players, etc., ensuring smooth transitions of the pictures during live streaming or recording, so as to meet the needs of different scenarios and content presentations. ✅【Extensive Signal Source Support--4 HDMI+2 Output HDMI】The RIJER HDMI video mixer not only supports common HDMI . The video switcher is equipped with two output ports, enabling the directors to view the picture content of each input signal in real time. At the same time, they can also preview the picture to be switched, so as to accurately determine the switching timing and ensure the quality and accuracy of the broadcast pictures.