This HDMI Matrix Switch offers maximum convenience when you need to connect multiple HDMI sources and displays together. It features 4 HDMI input source ports and 2 HDMI output display ports. Each of the 4 sources can be directed to any of the 2 displays using the supplied remote control. It\'s an ideal solution for multiple HDMI distribution use in retail product demonstration, training and public display applications. Note on using DVI equipped devices with the HDMI 4x2 Matrix SwitchTo connect devices equipped with DVI connections, you can use either modular DVI/HDMI adapters or DVI/HDMI adapter cables. Be aware that DVI is a \"video only\" interface - no audio signals will be switched by the HDMI Switch Remote when using DVI devices! Package Contents: HDMI 4x2 Matrix IR Remote Control (inc battery) Multi-country PSU User manual