Rextron Dual Display DP USB Extender consists of a Transmitter (USB Host) and a Receiver (USB Device) unit and extends dual DisplayPort, Two-Way Audio, USB 2.0, IR, and RS-232 signals up to 1000 meters over 2 multi-mode fiber optic cabling. Unique Audio Embedder and Audio Extractor functions are especially designed for video editing and content creation. Dual DisplayPort supports both Duplicate and Extend application and provides multiple monitor setups to extend your desktop and expand the work area across displays.