A 2x2 video wall using HDMI input to four HDTV displays: The Gefen HD Video Wall Controller is the perfect solution for entertainment and digital signage applications in retail outlets clubs trade shows control centers building lobbies and other similar venues. The HDTV displays are installed in a 2x2 configuration to create a large video wall. It accepts a single HDCP-compliant HDMI source and divides it onto four equally sized displays each with resolution up to 1080p. The HD Video Wall Controller has very good bezel compensation ability and can accommodate any display bezel width. Power on Lock on and menu navigation control buttons are accessible via front panel and the handheld IR remote control as well as via RS-232 and IP (web server interface Telnet and UDP). On-screen Graphical User Interface simplifies the system configuration.