Control structure : Software /Hardware; Control method : RS232/Network/Keypad and compatible with third party control system; Management mode : C/S, Mobile; Display mode : Roaming, overlay, zoom in/out, multi-windowing, scene switch, PIP, full screen and combination screen; Input resolution : 1080p; Scene/Signal switching time : Millisecond-level switching; Number of signal copy : Up to 8; Single-screen window : 4 windows on each two screens; Signal preview : Optional; Signal type : HDMI 1.3; Channel : 4 in 4 out