* Order-related order * Input: 4xHDMI socket Output: 1xHDMI socket The VS481B 4-Port HDMI Switch allows you to quickly connect 4 HDMI sources to your HDMI screen and quickly switch using buttons on the front, RS-232 or IR remote control. The front panel LEDs show at a glance the source device selected for display. The VS481B supports Ultra HD 4Kx2K, the latest resolution for high-resolution displays. Automatic switching modes for automatic port selection. Direct switching for smooth video transition between HDMI ports with improved efficiency and has an integrated, bi-directional RS-232 serial port, which gives the switch a high-speed connection. End controller, PC and/or home automation/home theater software package can be controlled.