It allows the user to use the existing audio receiver to receive 4Kx2K @ 120Hz

This action camera from SJcam gives you everything you need to capture all kinds of adventures

you can share two screens with four HDMI video sources

1x UHS-II SD card slot

NÖRDIC KVM Switch 4 PC to 1 DisplayPort 1.2 4K 60Hz and 4x USB HDCP 2.2 M It allows the user toNRDIC KVM switch is a convenient solution for connecting up to four computers with DisplayPort output to a DisplayPort monitor and a set of mouse and keyboard etc. With a simple tap, you can switch between the computers and all USB drives are shared. It can be switched with the included box that can be placed on a table at a distance of approx. 1 m. The switch has four USB A 2. 0 ports that can be used to connect a mouse, keyboard, hard drive or USB