LIVEPRO L1 with 4 CH HDMI inputs and 1 HDMI output, all of them support 1080p. For live streaming, there is a USB3.0 interface . And plus, the LAN port for controlling and upgrading; for audio, it has 2 interfaces, one for input, and the other one for output. All of these make it easy to create professional multi camera productions . It is able stream any one from the 4 HDMI inputs to any live broadcasting platform via third party live streaming software such as OBS. Simply connect LIVEPRO L1 and you can switch live between 4 high quality video camera inputs for dramatically better quality images. Or connect a computer for PowerPoint slides or gaming consoles.