Used only once for testing. The outer box is not included, but all accessories are present. Power-on check completed. Product Description The MUX-SH500446 is a multi-view processor supporting 4 inputs and 2 outputs. It supports 4K/60p (4:4:4) input/output and combines up to four video signals into a single screen for display. It outputs the same video from the two HDMI output terminals, making one output ideal for preview purposes. Switching between preset display layouts can be done seamlessly without a black screen. You can freely set the clipping of input images, the size, position, and overlap of each window.