to see the setting menu.
Mirror mode = Projecting your preferred screen if you have multiple monitors.
Extend mode = Treat your i3TOUCH as your extend monitor.
Remote view refresh rate
Change the frame update speed of remote view.
Change display language. You need to restart to apply the changes.
Adjust resolution automatically = Apply the receiver output resolution to the transmitting PC.
Autoplay = Start the screen mirroring automatically after connecting to the receiver.