Designed for multicamera live streaming to the internet or broadcast applications, the compact ATEM Mini from Blackmagic Design provides gaming consoles, corporate computer streams, or HD cameras a four-input live production switcher with an integrated control panel. The four HDMI inputs are available on the rear of the chassis and they input up to 1080p60 video.

There is also an HDMI output for a projector or external monitor, a USB Type-C output for streaming up to 1080p60 video to a computer, and an RJ45 10/100 Ethernet port for system management, remote control, and upgrades.

https://www.bhphotovideo.com/c/product/1507214-REG/blackmagic_design_swatemmini_atem_mini_switcher_control.html/overview