Professional OREI Solution: Full OREI SUPPORT - 1 Year Warranty; Product Includes: Instructions Manual, 1x HDMI Sender, 1x HDMI Receiver, 2x Power Adapter. OREI 4x1 KVM 4K HDMI Over Ethernet Extender Switcher Balun Over CAT6/7 Cable 4K@60Hz Upto 230 Feet - 2 USB 1.1 Ports, Supports Keyboard and Mouse USB.