Suitable for splitting (mirroring) output from your HDMI device (such as a computer) to 2 DVI-D (Digital) Displays or Monitors. Only compatible with DVI-D DIGITAL displays. Installation and Use Note: The splitting of an HDMI device to distribute the signal to 2 displays using a CABLE splitter does NOT support HDCP. This will DUPLICATE your video image to 2 monitors. It can NOT be used to "extend your desktop".